Revised 7/12/2016
Dr. Harry I. Ringermacher Senior Research Physicist General Electric Global Research Center
CONTACT
e-mail: ringerha@gmail.com
Personal website : www.ringermacher.com
EDUCATION
Washington University (St. Louis) – B.S. in Physics – 1968
Washington University – Ph.D. in Physics – 1980
EXPERIENCE (Fields of General Relativity and Cosmology)
Dr. Ringermacher is currently a retired Senior Research Physicist at the General Electric Corporate Research and Development Center in Schenectady, NY. His main line of work at the center was in the field of Nondestructive Evaluation (NDE). This concerns the bulk of his resume below, referred to as Part II. He has most recently been elected Fellow of the American Society of Nondestructive Testing and has numerous patents, papers, medals and other awards underscoring his professional contributions in this field. Simultaneous with his work in NDE, Dr. Ringermacher has not only retained an intense interest in Special and General Relativity and Cosmology, but has also published and presented many peer-reviewed papers on these subjects in prominent physics, relativity and astronomy journals. These papers have been separated from the bulk of NDE papers and are presented below. Prof. Lawrence Mead of the University of Southern Mississippi Dept. of Physics and Astronomy has collaborated with Dr. Ringermacher on many of these papers. Dr. Ringermacher has also presented Colloquia at the USM Dept. of Physics and Astronomy and travelled there many times to collaborate with Prof. Mead. Dr. Ringermacher regularly attends and presents papers at the January Meeting of the Amer. Astronomical. Soc. and local APS chapters and is a member of AAS and APS.
AWARDS AND HONORS IN THE FIELDS OF RELATIVITY AND COSMOLOGY
Dr. Ringermacher won one of four NASA Breakthrough Propulsion Physics (BPP) grants, for $100,000 for his theoretical work in General Relativity geometrically relating electromagnetism and gravitation and designing an experiment to detect predicted effects: NASA Contract NAS3-00094 ($100,000), BPP program (1999-2001), Search for Effects of an Electrostatic Potential on Clocks in the Frame of Reference of a Charged Particle. The proposal submission was peer-reviewed by a committee of scientists from National Labs and Academia. The research was completed and published.
Dr. Ringermacher created and hosted Mensa Colloquium 2006: Revolution in Cosmology – Oct. 6-8, 2006, Albany NY. Speakers included: Brian Greene (Columbia U.), Lee Smolin (Perimeter Inst., Canada), Jeremiah Ostriker (Princeton U.), Vera Rubin (Carnegie Inst.). There were 320 registered and paid attendees for a self-supported non-profit conference. Dr. Lawrence Mead participated in the conference as a discussion panel moderator.
Washington University Magazine, Winter, 2004: Washington University Magazine published an interview article in the Winter 2004 issue celebrating Dr. Ringermacher’s love of Physics and his eclectic interests and activities in that regard. http://magazine.wustl.edu/Winter04/HarryRingrmacher.htm
SELECTED RELATIVITY, COSMOLOGY, ASTRONOMY AND PHYSICS PUBLICATIONS
Harry Ringermacher, The Universe is Ringing…Can You Hear it? American Mensa Bulletin, Oct. 2015.
H. I. Ringermacher and L. R. Mead, Evidence for Scale Factor Oscillations in the Large Scale Structure of the Universe, Astronomical Journal, (submitted July 2016).
Harry Ringermacher and Lawrence R. Mead, Comment on “Observation of Superluminal Behaviors in Wave Propagation”, Phys. Rev. Letters, 87, p 059402 , (2001).
Harry I. Ringermacher, Mark S. Conradi, Caleb D. Browning and Brice N. Cassenti, , Search for Effects of Electric Potentials on Charged Particle Clocks, Paper No. AIAA 2001-3906, Proceedings of the 37th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, [July, 8-11, 2001].
Brice N. Cassenti and Harry I. Ringermacher, Engineering Warp Drives, AIP Conf. Proc. 504 , pp1079-1085, STAIF, Albuquerque, NM (Jan. 2000).
Harry I. Ringermacher and Brice N. Cassenti , Search for Effects of an Electrostatic Potential on Clocks in the Frame of Reference of a Charged Particle, Breakthrough Propulsion Physics Workshop, (NASA Lewis Research Center, Cleveland, August 12-14, 1997) , NASA publ. CP-208694 , 1999,
Millis &Williamson, ed. H. I. Ringermacher and B. N. Cassenti, An Experiment to Verify a Relativistic Field Theory Based on an Electrodynamic Connection, Paper No. AIAA 98-3136, 34th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, July, 13-15, 1998.
B. N. Cassenti and H. I. Ringermacher, The ‘How To’ of Antigravity, Paper No. AIAA 96-2788, 32nd Joint Propulsion Conference, Lake Buena Vista, July 1-3, 1996.
G Mozurkewich, H. I. Ringermacher and D. I. Bolef: Effect of Demagnetization on Magnetic Resonance Lineshapes in Bulk Samples, Phys. Rev. B, 20, p. 33, 1979.
H. I. Ringermacher , R. E. Norberg, R. K. Sundfors and D. G. Westlake: Observation of the Nuclear Acoustic Resonance of Hydrogen in NbH0.026, Phys. Rev. Letters, 42, p. 910, 1979.
H. I. Ringermacher , W. E. Moerner and J. G. Miller: Two Transducer Correction for Standing Wave Ultrasonic Velocity Measurements, J. Appl. Phys., 45, p. 549, 1974. W. E. Moerner won the Nobel Prize in Chemistry in 2014.
W. B. Streett, H. I. Ringermacher, and J. L. Burch: Sound Velocity Adiabatic Compressibility and Specific Heat of Liquid and Dense Fluid Krypton, J. Chem. Phys., 57, p. 3829, 1972.
W. B. Streett, H. I. Ringermacher, and G. Veronis: On the Structure and Motions of Jupiter’s Red Spot, Icarus, 14, p. 319, 1971.
SELECTED RELATIVITY, COSMOLOGY AND ASTRONOMY PRESENTATIONS
H. I. Ringermacher and L.R. Mead, Observation of Discrete Oscillations in the Plot of Cosmological Scale Factor vs Lookback Time , 224th Amer. Astron. Soc. Mtg, June 1-5 (2014), Boston, MA
H. I. Ringermacher and L.R. Mead, Locating the Transition Red Shift from the Scale Factor vs Lookback Time Plot , 223rd Amer. Astron. Soc. Mtg, Jan 5-9 (2014), Washington, DC
H. I. Ringermacher and L.R. Mead, Junction of a Hyperbolic Space to the LCDM Universe: Evolution of Dark Matter , 221th Amer. Astron. Soc. Mtg, Jan 6-10 (2012), Long Beach, CA
H. I. Ringermacher and L.R. Mead, Why Does Hubble Type Correlate Poorly with Arm Pitch-angle of Spiral Galaxies? , 215th Amer. Astron. Soc. Mtg, Jan 3-7 (2010), Washington DC. Also presented Jan 14 (2010) at Union College Dept. of Physics and Astronomy, Schenectady, NY.
Lawrence R. Mead and Harry I. Ringermacher, A New Quantitative Classification of Spiral Galaxies, J. of the Mississippi Academy of Sciences 55, No.1, 122 (Jan 2010). Presented Feb 2010, U. of Southern MS, Hattiesburg, MS.
H. I. Ringermacher and L.R. Mead, Spiral Galaxies from a Dark Matter Solution to Einstein’s Equations, 207th Amer. Astron. Soc. Mtg, Jan 8-12 (2006), Washington DC.
H. I. Ringermacher, The Astonishing Cosmos, Elliott-Nowell-White Science Symposium Keynote Speaker, Oct 12 (2006), Delta State University, Cleveland, MS.
H. I. Ringermacher, The Geometry of MC Esher and the Fashioning of Galaxies, Colloquium, USM Dept. of Physics and Astronomy, ca Dec 8 (2005).
H. I. Ringermacher and L.R. Mead, A Geometric Theory of Dark Matter, Colloquium, Washington University Dept. of Physics, Mar 18 (2004), St. Louis, MO.
H. I. Ringermacher, An “Old Fashioned” Classically Unified Theory of Gravitation and Electromagnetism in NASA’s New Controversial “ Breakthrough Propulsion Physics” Program, Colloquium, Dept. of Physics, Rensselaer Polytechnic Inst., Nov 1 (2000).
PART II : NONDESTRUCTIVE EVALUATION
(complete NDE and personal resume)
EXPERIENCE
General Electric Corporate Research and Development Center 1997 – present (retired)
Dr. Ringermacher was involved in and directed research in quantitative experimental techniques applied to Nondestructive Evaluation (NDE) including laser-based ultrasonics for coatings and infrared thermal depth imaging. He has developed a transient infrared imaging technology that effectively converts a history of heatflow thermal images into a single “depth image”, much like an ultrasound image, that enables visualization of deep flaws and dimensional analysis extremely rapidly for complex shaped components such as airfoils. This methodology has been transferred to four GE divisions and is in production use, replacing earlier ultrasonic inspection of aircraft engine blades and power turbine blades. This technology has also been effectively applied to the evaluation of ceramic matrix composites (CMC) and appears to be the only NDE technique capable of rapidly inspecting these complex materials and identifying both porosity content as well as the presence of serious flaws such as delaminations. The technique has revolutionized Thermal Imaging in this field. Dr. Ringermacher was recognized for this effort by receiving the highest Technical Achievement Award of the American Society for Nondestructive Testing in 2001, the “Sir William Herschel Medal” for lifetime achievement from the American Academy of Thermology in 2005, and the Mensa “Copper Black Award” for creative achievement in 2004 and 2007 – the only member of American Mensa to win two Copper Black Awards. In 2010, Dr. Ringermacher was elected Fellow of the American Society of Nondestructive Testing. Dr. Ringermacher has received 20 patents for this technology. Dr. Ringermacher also has deep personal interests and publications in the areas of General Relativity and Cosmology.
United Technologies Research Center 1981 – 1997
Dr. Ringermacher established a Laboratory for Laser NDE, including separate facilities for research in Laser – based Ultrasonics and Photoacoustics. Work in laser ultrasonics resulted in new noncontact techniques to evaluate welds and determine the physical properties of high temperature ceramic coatings in situ in reactors up to temperatures of 1400C. The coating evaluation program has resulted in the development of a portable laser ultrasound sensing system for in-process control of coating thickness during deposition. The remote sensing system utilizes a miniature YAG laser to generate Lamb waves in the coating and a Laser Heterodyne Interferometer beam to detect the waves over a 20MHz bandwidth. The waves are then rapidly analyzed to extract coating thickness. The system is fully automatic and acquires real-time thickness data.. Dr. Ringermacher has also worked extensively with high speed transient infrared techniques. This program is intended to move standard thermal imaging beyond the leading edge of current research in this field. It relies on high speed infrared focal plane array camera technology and, using transient flash techniques, will permit the rapid evaluation of advanced ceramics and metallics as well as rapid large-area evaluation of composite structures such as engine vanes, blades and large components. The new approach uses flashlamps to thermally excite the surfaces of structures sending a heat impulse into the interior. The surface temperature is then stored as a time-temperature history stack of images in a computer and processed into a novel single quantitative image revealing both the extent and depth of the flaws. This resulted in a US Patent. Dr. Ringermacher has also established a thermoacoustic research capability at the Research Center using novel techniques which he conceived including a Scanning Electron Microscopy facility converted to do thermoacoustic imaging (Scanning Electron Acoustic Microscopy or SEAM), using a unique beam dithering modulation technique (Coordinate Modulation). A Laser-in/Laser-out photoacoustic imaging laboratory was established. The laser system uses a Laser Doppler Heterodyne Interferometer for velocity detection of the acoustic vibration image signal and a scanning Argon laser beam for the photoacoustic generation. The SEAM and Photoacoustic Microscopy capabilities permit the nondestructive evaluation and characterization of metals, ceramics, coatings, and electronic materials, both surface and subsurface. Thermo-mechanical properties of materials and coatings such as coating/substrate integrity or adherence can be evaluated using thermomechanical imaging techniques based on a new contrast mechanism, discovered by Dr. Ringermacher, that images bondline stiffness. Dr. Ringermacher has also worked extensively in the area of acoustic emission while at the Research Center, and has assembled an acoustic emission laboratory standard based on that of the NBS for the evaluation and development of alternative transducer technology. Using the standards, he developed and patented a field-worthy, broadband, point contact, acoustic emission transducer with 50 kHz – 1.5 MHz bandwidth capability. This served as the basis of a new acoustic emission technology based on quantitative event characterization.
NASA, Langley Research Center – 1980 to 1981
Resident Research Associate (National Research Council Associateship Award Program) – Research at NASA, Langley, under Dr. J. S. Heyman, centered primarily on ultrasonic characterization of the physical properties of graphite/epoxy fiber composites. A variety of both pulsed and continuous-wave ultrasonic techniques were used to investigate sound velocity and attenuation as a function of fatigue damage in these materials. The author’s first research on photoacoustics was initiated in the area of thermoacoustic anisotropy in graphite/epoxy composites.
Washington University – Ph.D. Dissertation, Nuclear Magnetic Resonance
Dissertation research under Prof. R. E. Norberg applied the methods of nuclear magnetic resonance, ultrasonics and low-temperature solid state physics to study and delineate the effects of hydrogen in ideal metal lattices, in particular, niobium. The combination of the above two methods is known as nuclear acoustic resonance. This technique was successfully applied for the first time to observe the hydrogen itself in the lattice as compared to the more usual approach of observing the indirect effects of the hydrogen on the metal host. This led to a more direct characterization of the behavior of the hydrogen in the lattice and confirmed theoretical predictions. Theoretical research on ultrasonic cavity resonators and transducers was also conducted during this period.
U.S. Military Academy, West Point – 1969 to 1971
Laboratory Assistant – Dr. Ringermacher served two years military duty at the Science Research Laboratory under LTC W. B. Streett, currently Dean Emeritus of Engineering at Cornell University. Research involved studying the thermodynamic behavior of the rare gases at low temperatures and pressures as high as 60,000 psi. An experiment to measure the sound velocity in liquid krypton at high pressures was totally initiated, completed and published during this tenure of service. In addition, theoretical work on planetary atmospheres was also undertaken and published during this time.
Los Alamos Scientific Laboratory – 1969, 1971
Summer Graduate Fellow – Research was performed in low-temperature physics under Drs. E. F. Hammel and W. E. Keller studying the superfluid properties of liquid helium films. Also, engineering assistance was provided in improving the flow characteristics of liquid hydrogen in a hydrogen flow-loop target for the Los Alamos Meson Facility.
PUBLICATIONS IN THE FIELD OF NONDESTRUCTIVE EVALUATION
Harry I. Ringermacher , Donald R. Howard and Bryon Knight, Quantitative Infrared Full-Area Imaging of Coating Thickness and Integrity, Review of Progress in Quantitative Nondestructive Evaluation 30A, (2011).
Harry I. Ringermacher , Donald R. Howard and Bryon Knight, Quantitative Infrared Full-Area Imaging of Coating Thickness and Integrity, Review of Progress in Quantitative Nondestructive Evaluation 30A, p___ (2011).
Bryon Knight , Donald R. Howard, Harry I. Ringermacher and Larry Hudson, Infrared Imaging of Carbon and Ceramic Composites: Data Reproducibility, Review of Progress in Quantitative Nondestructive Evaluation 29A, (2010).
Harry I. Ringermacher, NDE: Surfing the Electromagnetic Spectrum , Plenary Talk, Review of Progress in Quantitative Nondestructive Evaluation 29A, (2010).
H.I. Ringermacher, D.R. Howard and B. Knight, Advances in Thermographic Imaging at GE, ASNT 17th Annual Research Symposium Proceedings, 31 March-4 April, on CD (2008).
Harry Ringermacher, Analytic Method for Joining Two Lines Smoothly at a Common Point, 2008GRC681 (2008)
Harry Ringermacher , Bryon Knight and Donald Howard , Infrared Imaging and Porosity Modeling for C/CSiC Materials Final Report, 2008GRC631 (2008)
Harry Ringermacher , Bryon Knight and Donald Howard , NASA Final Report_ATK.., 2008GRC686 (2008)
Bryon Knight, Donald Howard and Harry Ringermacher, GE Flash-IR System Part V: DeepIDL Quick-Start Reference Guide, GRC Report 2008GRC751 (2008).
Bryon Knight, Donald Howard and Harry Ringermacher, GE Flash-IR System Part IV: DeepIDL GUI Reference Guide, GRC Report 2008GRC750 (2008).
Bryon Knight, Donald Howard and Harry Ringermacher, GE Flash-IR System Part III: DeepIDL Software User’s Guide, GRC Report 2008GRC688 (Oct. 2008).
Bryon Knight, Donald Howard and Harry Ringermacher, GE Flash-IR System Part II: Phoenix Flash-IR System Quick-Start Guide, GRC Report MR2008-08-14-56116 (2008)
Bryon Knight, Donald Howard and Harry Ringermacher, GE Flash-IR System Part I: Phoenix Flash-IR System User’s Guide, GRC Report 2008GRC687 (Oct. 2008).
Nilesh Tralshawala, Donald R. Howard, Bryon Knight, Yuri Plotnikov, and Harry I. Ringermacher, Lateral heat infrared thermography for thickness independent determination of thermal diffusivity in CFRP, , Review of Progress in Quantitative Nondestructive Evaluation 27A, p461 (2008).
Harry Ringermacher , Don Howard, Bryon Knight and Tom Bantel , 2007 Report on Infrared Imaging for CMC Characterization, GRC Report 2008GRC630 (2008).
Harry Ringermacher, Bryon Knight, Donald R. Howard and Nilesh Tralshawala, Infrared Imaging and Porosity Modeling for C/CSiC Materials, GRC Report 2008GRC631 (2008).
Harry Ringermacher, Donald R. Howard, Bryon Knight, Tom Bantel and William G. Patterson , (2007)
Report on Infrared Imaging for CMC Characterization, GRC Report 2008GRC630 (2008).
H. Ringermacher, Thermal Flash Analysis for Simultaneous Evaluation of TBC Thickness and Thermal Conductivity, GRC Report 2006GRC062 (2007).
Nilesh Tralshawala, Donald R. Howard, Bryon Knight, Yuri Plotnikov, and Harry I. Ringermacher, Lateral heat flow method for thickness independent determination of thermal diffusivity, J. App. Phys. 102 083522(2007).
Harry Ringermacher , Don Howard, Bryon Knight and Tom Bantel , 2006 Report on Infrared Imaging for CMC Characterization, GRC Report 2007GRC642 (2007).
H.I. Ringermacher , Bryon Knight, Jian Li, Gulperi Aksel, D.R. Howard, M.J. Osterlitz, Y.A. Plotnikov and J.L. Thompson, Characterization of Discrete Acoustic Emission Events in Composites Under Load, Nondestructive Testing and Evaluation 22, p93 (2007).
Nilesh Tralshawala, Donald R. Howard, Bryon Knight, Yuri Plotnikov, Andrew May, and Harry I. Ringermacher , Feasibility Study of Lateral Heat Flow Infrared Thermography for Thickness Independent Determination of Thermal Diffusivity in Carbon Fiber Reinforced Polymer Composites, GRC Report 2006mis062 (2006).
B. Knight, D. Howard and H. Ringermacher, Advances in Thermal-Time-of-Flight Imaging with Flash Quenching, GRC Report 2006GRC146 (2006).
H. Ringermacher, D. Howard and B. Knight, Thermal Imaging at General Electric, GRC Report 2005GRC637 (2006).
Harry Ringermacher , Don Howard, Bryon Knight and Tom Bantel , 2005 Interim Report on Infrared Imaging for CMC and Composites Characterization, GRC Report 2006GRC227 (2006).
Harry Ringermacher , Don Howard and Robert Gilmore, Discriminating Porosity in Composites Using Thermal Depth Imaging, GRC Report 2006GRC395 (2006).
B. Knight, D. Howard and H. Ringermacher, Advances in Thermal-Time-of-Flight Imaging with Flash Quenching, Review of Progress in Quantitative Nondestructive Evaluation 25, p529 (2006).
H. Ringermacher, D. Howard and B. Knight, Thermal Imaging at General Electric, Review of Progress in Quantitative Nondestructive Evaluation 25, p523 (2006).
H. Ringermacher, Interim Report on Infrared Imaging for Metal Airfoil Wall Evaluation and CMC Characterization , GRC Report 2006GRC145 (2006).
H. Ringermacher, Transfer Function for the Eltec Model 441M59-3 IR Sensor Responding to a Rolling Hot Bearing, GRC Report 2005GRC588 (2005).
H. Ringermacher, D.R. Howard and R.J. Filkins , Flash Quenching for High Resolution Thermal Depth Imaging, Review of Progress in Quantitative Nondestructive Evaluation 23, p 477( 2004).
H. I. Ringermacher and D. R. Howard, Discrimination of Porosity in Ceramic Matrix Composites, Review of Progress in Quantitative Nondestructive Evaluation, 21, p 401, (2002).
D. Davenport, W. Dixon, K. Mathews and H. Ringermacher, Hot Bearing Detection False Alarm Mitigation 2002 Project Summary, GRC Report 2002GRC275 (Dec. 2002)
H. I. Ringermacher and D. R. Howard, Synthetic Thermal Time-of-Flight (STTOF) Depth Imaging, Review of Progress in Quantitative Nondestructive Evaluation, 20, pp 487-491, (2001).
Harry I. Ringermacher, Real-Time Laser Ultrasonic Evaluation of Coating Thickness in an Operating Chemical Vapor Deposition Reactor, Sensing for Materials Characterization , Processing , and Manufacturing, Topics on Nondestructive Evaluation Series, Vol. 1, ASNT, 1998, Birnbaum and Auld, Technical Ed. (1998)
H. I. Ringermacher, D. J. Mayton, D.R. Howard and B.N. Cassenti, Towards a Flat Bottom Hole Standard for Thermal Imaging, Review of Progress in Quantitative Nondestructive Evaluation, 17, pp 425-429, (1998).
H. I. Ringermacher and B. N. Cassenti, An Experiment to Verify a Relativistic Field Theory Based on an Electrodynamic Connection, Paper No. AIAA 98-3136, presented at the 34rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference, July, 13-15, 1998.
Harry I. Ringermacher and Andrew D. W. McKie, Laser Ultrasonics for the Evaluation of Composites and Coatings, Materials Evaluation, Dec. 1995, pp 1356-1361. H. Ringermacher, Thermal Evaluation Reveals Depth Detail, Photonics Spectra, 21-22, June 1995.
Harry I. Ringermacher and Brice N. Cassenti, “Synchronous IR Array NDE of Composites”, NAWC Final Report No. N62269-92-C-0212 (1994).
H. I. Ringermacher, F. A. Reed and J. R. Strife: Laser Ultrasonics for Coating Thickness Evaluation at 1200C, Review of Progress in Nondestructive Evaluation, 12, p. 549, (1993).
J. B. Deaton, Jr., J. W. Wagner, J. B. Spicer, and H. I. Ringermacher: Long Cavity Laser Excitation and Digital Filtering of Narrowband Ultrasound for Enhanced Signal-to-Noise Ratio, Review of Progress in Quantitative Nondestructive Evaluation, 10, 1990.
H. I. Ringermacher, B. N. Cassenti, J. R. Strife and J. L. Swindal: Laser Thermomechanical Evaluation of Bonding Integrity, Review of Progress in Quantitative Nondestructive Evaluation, 9A, p. 471, 1990.
H. I. Ringermacher: Laser Thermomechanical Imaging of Advanced Coatings, 37th Sagamore Army Materials Research Conference on Structural Ceramics, 1-4 Oct. 1990.
W. A. Veronesi, H. I. Ringermacher and R. W. Reed: Simultaneous NDE of Case/Insulator and Insulator/Propellant Bond Lines Using Swept Frequency Ultrasonics, JANNAF Nondestructive Evaluation Subcommittee Meeting Proceeding, Idaho Falls, ID, April 1990.
H. I. Ringermacher: Noncontact Laser Thermomechanical Nondestructive Evaluation for Advanced Coatings, AGARD Proceedings, No. 462, pp. 21-31, 1989.
H. I. Ringermacher and M. Bak: Thermomechanical Contrast Mechanism in Thermoacoustic Imaging for NDE, Review of Progress in Quantitative Nondestructive Evaluation, 7A, p. 238, 1988.
H. I. Ringermacher: Laser Doppler Heterodyne Interferometer for Photoacoustic Applications, Ultrasonics International 87 Conference Proceedings, p. 165, 1987.
H. I. Ringermacher: Laser-In/Laser-Out Photoacoustics Using Doppler Heterodyne Interferometry, IEEE Ultrasonics Symposium Proceedings, IEEE Cat. No. 86CH2375-4, p. 407, 1986.
H. I. Ringermacher: Scanning Electron Acoustic Microscopy, NASA Technical Report, Contract No. NAS3- 24638, July 1986.
H. I. Ringermacher and C.A. Kittredge: Photoacoustic Microscopy of Ceramics Using Laser Heterodyne Detection, Review of Progress in Quantitative Nondestructive Evaluation, 6B, pp. 1231-1240, 1987.
H. I. Ringermacher and L. Jackman: Deep Thermoacoustic Imaging Using Scanning Electron Acoustic Microscopy, Review of Progress in Quantitative Nondestructive Evaluation, 5A, pp. 567-574, 1986.
H. I. Ringermacher: The Pulsed Sonoacoustic Effect: Thermal Demodulation, IEEE Ultrasonic Symposium Proceedings, IEEE Cat. No. 84CH2112-1, p. 962, 1984. H. I. Ringermacher and R. K. Miller: Acoustic Emission Waveforms in Isotropic and Orthotropic Plates, IEEE Ultrasonic Symposium, IEEE Cat. #83CH1947-1, p. 914, 1983.
H. I. Ringermacher: Nonlinear Ultrasonic Characterization of Oxygen Impurities in Titanium, II, NRL Technical Report, Contract No. N00014-82-C-2346, September l983.
H. I. Ringermacher and R. S. Williams: Acoustic Techniques for On-Board Helicopter Ranging Applications, UTRC Technical Report R83-494203, September l983.
H. I. Ringermacher and R. S. Williams: Fabrication and AE Monitoring of Composite Motor Cases, Army Missile Command Technical Report, Contract No. DAAH01-81-C-B055, December l982.
H. I. Ringermacher and R. S. Williams: Characterization of Acoustic Emission Signals, FHA Technical Report, Contract No. DTFH61-82- C-0005, September 1982.
H. I. Ringermacher: Coordinate Modulation Photoacoustics with Piezoelectric Detection, IEEE Ultrasonics Symposium, IEEE Cat. #82CH1823-4, p. 576, 1982.
H. I. Ringermacher and R. S. Williams: Nonlinear Ultrasonic Characterization of Oxygen Impurities in Titanium, NRL Technical Report, Contract No. N00014-81-C-2426, March l982.
H. I. Ringermacher and Joseph S. Heyman: Observation of a Sonoacoustic Effect Using Piezoelectric Thermoacoustic Detection, IEEE Ultrasonics Symposium, IEEE Cat. No. 81CH1689-9, p. 840, 1981.
H. I. Ringermacher: Ultrasonic Characterization of Fatigue Damage in Graphite/Epoxy Composites, IEEE Ultrasonics Symposium, IEEE Cat. No. 80CH1602-2, p. 957, 1980.
K. Luszcynski, J. Borgwald D. P. Grimmer, H. I. Ringermacher and S. Sutton: Radiation Exposure of Air Cargo Workers at the St. Louis International Airport, Health Physics, 35, p. 523, 1978.
H. I. Ringermacher and R. E. Norberg: Nuclear Quadrupole Relaxation in Liquid Rare Gases, Proceedings of the Fourteenth International Conference on Low-Temperature Physics (LT 14), Otaniemi, Finland, August 1975.
H. I. Ringermacher , W. E. Moerner and J. G. Miller: Two Transducer Formula for More Precise Determination of Ultrasonic Phase Velocity from Standing Wave Measurements, IEEE Ultrasonics Symposium, IEEE Cat. No. 74CHO896-1SU, p. 555, 1974.
Awards and Honors
Fellow, American Society of Nondestructive Testing (2010)
American Mensa Education and Research Foundation Council Member (2009-2012)
American Mensa Copper Black Award Committee Chair (2010-present).
American Institute of Physics “History of Physics in Industry” interview participant at GE (2008).
American Mensa, 2nd Creative Achievement “Copper Black Award” for Flexible X-ray Panel (2007).
American Academy of Thermology, “Sir William Herschel Medal”, for Lifetime Achievement in Thermal Imaging (2005).
Washington University Magazine, Winter, 2004:
Washington University Magazine published an interviewed article in the Winter 2004 issue celebrating Dr. Ringermacher’s love of Physics and his eclectic interests and activities in that regard. http://magazine.wustl.edu/Winter04/HarryRingrmacher.htm
American Mensa, 1st Creative Achievement “Copper Black Award” for Advances in Thermal Imaging (2003).
American Society of Nondestructive Testing, 2001 Annual Technical Achievement Award for Advances in Thermal Imaging. Editorial Board of ASNT Journal, Research in Nondestructive Evlauation (1992-2012).
Editorial Board of Journal of Nondestructive Evlauation (1992-2012).
NASA Contract NAS3-00094 ($100,000), Breakthrough Propulsion Physics program (1999-2001), Search for Effects of an Electrostatic Potential on Clocks in the Frame of Reference of a Charged Particle.
Guest Editor, Journal of Nondestructive Evaluation, special issue on “Advances in Laser Ultrasonics,” Vol. 9 (Dec. 1990).
Chairman, Laser NDE / TeraHertz Sessions of 1987-2010 Annual Meeting on “Progress in Quantitative NDE.” United Technologies Research Center Special Achievement Award for “Outstanding Contributions to the Advancement of Science and Technology” (1987, 1995).
United Technologies Research Center nomination for UTRC Fellow award, 1996.
NRC Research Fellowship Program (1980-1981).
Los Alamos Summer Graduate Fellow (1969-1971).
Patents (20 US) Click here for a list of patents
Professional Associations
Member, American Physical Society
Member, American Astronomical Society
Member, American Society of Nondestructive Testing
Member, American Mensa