Positions

Selected Publications

Academic Article

Year Title Altmetric
2022 Optical transitions of gallium vacancies in neutron irradiated β -Ga2O3Journal of Applied Physics.  132. 2022
2022 Optical transitions of neutral Mg in Mg-doped β -Ga2O3APL Materials.  10. 2022
2021 Fe-related optical transitions in floating zone and Czochralski grown β -Ga2O3crystalsJournal of Applied Physics.  130. 2021
2021 Carbon complexes in highly C-doped GaNPhysical Review B.  104. 2021
2021 Charge trapping at Fe due to midgap levels in Ga2O3Journal of Applied Physics.  129. 2021
2020 A Deep Carbon-Related Acceptor Identified through Photo-Induced Electron Paramagnetic Resonance 2020
2020 Optical transitions for impurities in Ga2O3 as determined by photo-induced electron paramagnetic resonance spectroscopyJournal of Applied Physics.  127. 2020
2019 Optical absorption of Fe in doped Ga2O3Journal of Applied Physics.  126. 2019
2019 Incorporation of Carbon in Free-Standing HVPE-Grown GaN SubstratesJournal of Electronic Materials.  48:2226-2232. 2019
2019 Photo-EPR study of compensated defects in Be-doped GaN substratesJournal of Applied Physics.  125. 2019
2019 Small non-uniform basal crystal fields in HVPE free-standing GaN:Mg as evidenced by angular dependent and frequency-dependent EPRJournal of Physics: Condensed Matter.  31. 2019
2018 Charge transfer process for carbon-related center in semi-insulating carbon-doped GaNJournal of Applied Physics.  124. 2018
2018 A compensating point defect in carbon-doped GaN substrates studied with electron paramagnetic resonance spectroscopyJournal of Applied Physics.  123. 2018
2016 Effect of local fields on the Mg acceptor in GaN films and GaN substratesJournal of Applied Physics.  120. 2016
2016 A model for Be-related photo-absorption in compensated GaN:Be substratesJournal of Applied Physics.  120. 2016
2016 Incorporation of Mg in Free-Standing HVPE GaN SubstratesJournal of Electronic Materials.  45:2692-2696. 2016
2015 Reduction in the Number of Mg Acceptors with Al Concentration in AlxGa1−xNJournal of Electronic Materials.  44:4139-4143. 2015
2015 Determination of an acceptor level in bulk GaN grown by high nitrogen pressure solution method 2015
2015 Electron paramagnetic resonance studies of bulk Mg-doped GaN grown by high nitrogen pressure solution method 2015
2015 The effects of Al on the neutral Mg acceptor impurity in AlxGa1-xN 2015
2014 Optical and EPR spectroscopy of Zn:Cr:ZnSe and Zn:Fe:ZnSe crystalsOptical Materials.  37:262-266. 2014
2014 The effect of growth parameters on the Mg acceptor in InxGa1-xN: MG and AlxGa1-xN: Mg 2014
2012 The source of holes in p-type In xGa 1-xN filmsJournal of Applied Physics.  112. 2012
2012 Charge transfer in semi-insulating Fe-doped GaNJournal of Applied Physics.  112. 2012
2011 Passivation and activation of Mg acceptors in heavily doped GaNJournal of Applied Physics.  110. 2011
2010 Iron-related defect levels in SrTiO3 measured by photoelectron paramagnetic resonance spectroscopyJournal of Applied Physics.  107. 2010
2009 High-field phenomena of qubitsApplied Magnetic Resonance.  36:259-268. 2009
2009 Photoinduced behavior of the VC C Si - Pair defect in 4H -SiC grown by physical vapor transport and halide chemical vapor depositionJournal of Applied Physics.  106. 2009
2009 Density of interface states, electron traps, and hole traps as a function of the nitrogen density in SiO2 on SiCJournal of Applied Physics.  105. 2009
2008 Measurements of optical cross sections of the carbon vacancy in 4H-SiC by time-dependent photoelectron paramagnetic resonanceJournal of Applied Physics.  104. 2008
2008 An annealing study of an oxygen vacancy related defect in SrTiO3 substratesJournal of Applied Physics.  104. 2008
2008 A study of vacancies and vacancy pair defects in 4H SiC grown by halide chemical vapor depositionJournal of Materials Science: Materials in Electronics.  19:678-681. 2008
2007 Nitrogen-related point defect in 4H and 6H SiCPhysica B: Condensed Matter.  401-402:73-76. 2007
2007 A study of deep defect levels in semi-insulating SiC using optical admittance spectroscopyJournal of Electronic Materials.  36:623-628. 2007
2007 Vanadium donor and acceptor levels in semi-insulating 4H - And 6H-SiCJournal of Applied Physics.  101. 2007
2006 The acceptor level for vanadium in 4H and 6H SiCPhysica B: Condensed Matter.  376-377:346-349. 2006
2005 Observation of a spin one native defect in as-grown high-purity semi-insulating 4H SiCJournal of Applied Physics.  97. 2005
2005 The effects of oxygen, nitrogen, and hydrogen annealing on Mg acceptors in GaN as monitored by electron paramagnetic resonance spectroscopyJournal of Electronic Materials.  34:34-39. 2005
2004 Electron paramagnetic resonance of electronic-grade SiC substratesJournal of Physics: Condensed Matter.  16:R1341-R1367. 2004
2004 Electron paramagnetic resonance of electronic-grade SiC substratesJournal of Physics: Condensed Matter.  16. 2004
2004 Defect levels and types of point defects in high-purity and vanadium-doped semi-insulating 4H-SiCJournal of Applied Physics.  96:5484-5489. 2004
2004 High temperature Hall effect measurements of semi-insulating 4H-SiC substratesSolid-State Electronics.  48:1693-1697. 2004
2004 Absorption and photoluminescence studies of CdGa2S 4:CrOptics Communications.  233:403-410. 2004
2004 Thermal activation of Mg-doped GaN as monitored by electron paramagnetic resonance spectroscopyJournal of Applied Physics.  95:1884-1887. 2004
2004 Optically induced transitions among point defects in high purity and vanadium-doped semi-insulating 4H SiC 2004
2003 240 GHz electron paramagnetic resonance studies of intrinsic defects in as-grown 4H SiCPhysical Review B.  68. 2003
2003 Effects of high-temperature annealing on defects and impurities in As-grown semi-insulating 4H SiCJournal of Electronic Materials.  32:444-447. 2003
2002 The level position of a deep intrinsic defect in 4H-SiC studied by photoinduced electron paramagnetic resonanceApplied Physics Letters.  80:410-412. 2002
2002 Interactions between intrinsic defects and nitrogen/boron impurities in high-resistivity 4H SiC: Electron paramagnetic resonance studyJournal of Electronic Materials.  31:351-355. 2002
2001 Electron paramagnetic resonance studies of a carbon vacancy-related defect in as-grown 4H-SiCPhysica B: Condensed Matter.  308-310:671-674. 2001
2001 Intrinsic point defects in oxidized 3C epitaxial layers on Si substratesJournal of Applied Physics.  89:955-959. 2001
2000 Characterization of paramagnetic defect centers in three polytypes of dry heat treated, oxidized SiCJournal of Applied Physics.  88:4122-4127. 2000
2000 Effects of oxidation conditions on the concentration of carbon dangling bonds in oxidized 6H-SiC 2000
2000 HF chemical etching of SiO2 on 4H and 6H SiCJournal of Electronic Materials.  29:368-371. 2000
1999 Characterization of the luminescence center in photo- and electroluminescent amorphous silicon oxynitride filmsJournal of Applied Physics.  86:2628-2637. 1999
1999 Dangling bond defects in SiC: The dependence on oxidation timeMicroelectronic Engineering.  48:269-272. 1999
1999 Effect of confinement and temperature on the initial hole trapping efficiency of buried oxide filmsMicroelectronic Engineering.  48:347-350. 1999
1999 Generation and annealing characteristics of paramagnetic centers in oxidized 3C-SiC and 6H-SiCJournal of Electronic Materials.  28:144-147. 1999
1999 Reduction and creation of paramagnetic centers on surfaces of three different polytypes of SiCJournal of Vacuum Science and Technology B.  17:1627-1631. 1999
1998 Hydrothermal behavior of diamondDiamond and Related Materials.  7:1459-1465. 1998
1998 Near-interface trapped charge induced by Fowler-Nordheim injection in hydrogen or argon annealed MOS capacitorsJournal of Electronic Materials.  27:838-841. 1998
1997 The interaction of H2O with an electron paramagnetic resonance center in oxidized, heat treated SiCApplied Physics Letters.  71:2148-2150. 1997
1997 Generation and annealing kinetics of oxygen vacancy and oxygen excess centers in thin film SiO2 1997
1997 Properties of Eδ' center in microelectronic grade oxide filmsMicroelectronic Engineering.  36:197-200. 1997
1996 Production of E′δ center induced by dry heat treatment of nonburied SiO2 filmsApplied Physics Letters.  69:28-30. 1996
1995 Erratum: G tensor for substitutional nitrogen in diamond (Physical Review B (1995) 51, 13, (8688))Physical Review B.  51:8688. 1995
1995 Generation of thermally induced defects in buried SiO2 filmsJournal of Applied Physics.  77:4329-4333. 1995
1995 Erratum: g tensor for substitutional nitrogen in diamond.Physical Review B (Condensed Matter).  51:8688. 1995
1994 Effect of supplemental O implantation on the radiation-induced hole traps in SIMOX buried oxidesIEEE Transactions on Nuclear Science.  41:2284-2290. 1994
1994 Identification of phosphorus in diamond thin films using electron paramagnetic-resonance spectroscopyApplied Physics Letters.  65:2287-2289. 1994
1994 Nitrogen in the isotopically enriched 12C diamondApplied Physics Letters.  65:2951-2953. 1994
1994 Effect of Supplemental O Implantation on the Radiation-Induced Hole Traps in SIMOX Buried OxidesIEEE Transactions on Nuclear Science.  41:2284-2290. 1994
1994 G tensor for substitutional nitrogen in diamondPhysical Review B.  49:15392-15395. 1994
1993 Atomic structure of Ge-related point defects in Ge-incorporated oxide filmsApplied Physics Letters.  63:3049-3051. 1993
1992 Distribution of Ge in O+ implanted siliconApplied Physics Letters.  61:3142-3144. 1992
1992 Radiation-induced E' centers in H2-annealed oxide filmsApplied Physics Letters.  60:2989-2991. 1992
1992 Interfacial point defects in heavily implanted silicon germanium alloysJournal of Vacuum Science and Technology B.  10:2026. 1992
1992 Effects of mixed-valent composition and bathing environment on solid-state electron self-exchanges in osmium bipyridine redox polymer filmsThe Journal of physical chemistry.  96:962-970. 1992
1991 SIMOX with epitaxial silicon: Point defects and positive chargeIEEE Transactions on Nuclear Science.  38:1253-1258. 1991
1991 Temperature and current dependence of electroluminescence in a-Si: HPhilosophical Magazine B.  63:175-187. 1991
1990 Hysteresis and Franck-Condon relaxation in insulator-semiconductor tunnelingPhysical Review B.  41:8313-8317. 1990
1989 Rechargeable E' centers in sputter-deposited silicon dioxide filmsApplied Physics Letters.  54:2118-2120. 1989
1989 Electrical-field-driven electron self-exchange in a mixed-valent osmium (II/III) bipyridine polymer: Solid-state reactions of low exothermicityThe Journal of physical chemistry.  93:4620-4627. 1989
1988 A defect relaxation model for bias instabilities in metal-oxide- semiconductor capacitorsJournal of Applied Physics.  64:2221-2223. 1988
1985 Electrical properties of silicon dioxide films fabricated at 700°C. II: Low pressure hydride depositionJournal of Electronic Materials.  14:343-366. 1985
1985 Electrical Properties of Silicon Dioxide Films Fabricated at 700°C III. High Pressure Thermal Oxidation 1985

Teaching Activities

  • PH201 - College Physics I (Spring Term 2015)
  • PH221 - General Physics I (Fall Term 2007)
  • PH221 - General Physics I (Spring Term 2009)
  • PH221 - General Physics I (Spring Term 2012)
  • PH221R - General Physics I - Recitation (Fall Term 2007)
  • PH221R - General Physics I - Recitation (Fall Term 2008)
  • PH221R - General Physics I - Recitation (Fall Term 2011)
  • PH221R - General Physics I - Recitation (Fall Term 2011)
  • PH221R - General Physics I - Recitation (Fall Term 2011)
  • PH221R - General Physics I - Recitation (Fall Term 2012)
  • PH221R - General Physics I - Recitation (Spring Term 2009)
  • PH221R - General Physics I - Recitation (Spring Term 2012)
  • PH221R - General Physics I - Recitation (Spring Term 2012)
  • PH221R - General Physics I - Recitation (Spring Term 2012)
  • PH221R - General Physics I - Recitation (Spring Term 2012)
  • PH222R - General Physics II Recitation (Fall Term 2008)
  • PH222R - General Physics II Recitation (Fall Term 2008)
  • PH222R - General Physics II Recitation (Spring Term 2008)
  • PH222R - General Physics II Recitation (Spring Term 2010)
  • PH222R - General Physics II Recitation (Spring Term 2010)
  • PH222R - General Physics II Recitation (Spring Term 2011)
  • PH432 - Statistical Thermodynamics I (Spring Term 2017)
  • PH432 - Statistical Thermodynamics I (Spring Term 2018)
  • PH445 - Electromagnetic Theory I (Fall Term 2013)
  • PH445 - Electromagnetic Theory I (Fall Term 2014)
  • PH445 - Electromagnetic Theory I (Fall Term 2015)
  • PH445 - Electromagnetic Theory I (Fall Term 2016)
  • PH445 - Electromagnetic Theory I (Fall Term 2017)
  • PH445 - Electromagnetic Theory I (Fall Term 2018)
  • PH445 - Electromagnetic Theory I (Fall Term 2019)
  • PH445 - Electromagnetic Theory I (Fall Term 2020)
  • PH445 - Electromagnetic Theory I (Fall Term 2021)
  • PH445 - Electromagnetic Theory I (Fall Term 2022)
  • PH446 - Electromagnetic Theory II (Spring Term 2014)
  • PH446 - Electromagnetic Theory II (Spring Term 2015)
  • PH446 - Electromagnetic Theory II (Spring Term 2016)
  • PH446 - Electromagnetic Theory II (Spring Term 2020)
  • PH446 - Electromagnetic Theory II (Spring Term 2021)
  • PH446 - Electromagnetic Theory II (Spring Term 2022)
  • PH446 - Electromagnetic Theory II (Spring Term 2023)
  • PH450 - Intro Quantum Mechanics I (Fall Term 2008)
  • PH466 - Applied Mech. & Electromag. II (Spring Term 2019)
  • PH491 - Advanced Physics Lab I (Fall Term 2008)
  • PH491 - Advanced Physics Lab I (Fall Term 2013)
  • PH491 - Advanced Physics Lab I (Fall Term 2016)
  • PH491 - Advanced Physics Lab I (Fall Term 2021)
  • PH491 - Advanced Physics Lab I (Fall Term 2022)
  • PH491 - Advanced Physics Lab I (Spring Term 2013)
  • PH491 - Advanced Physics Lab I (Spring Term 2020)
  • PH491 - Advanced Physics Lab I (Spring Term 2022)
  • PH491 - Advanced Physics Lab I (Summer Term 2009)
  • PH491 - Advanced Physics Lab I (Summer Term 2011)
  • PH492 - Advanced Physics Lab II (Spring Term 2023)
  • PH495 - Honors Research - RES (Fall Term 2011)
  • PH495 - Honors Research - RES (Fall Term 2021)
  • PH495 - Honors Research - RES (Spring Term 2012)
  • PH495 - Honors Research - RES (Spring Term 2014)
  • PH495 - Honors Research - RES (Spring Term 2015)
  • PH495 - Honors Research - RES (Spring Term 2021)
  • PH495 - Honors Research - RES (Spring Term 2023)
  • PH495 - Honors Research - RES (Summer Term 2021)
  • PH545 - Electromagnetic Theory I (Fall Term 2013)
  • PH545 - Electromagnetic Theory I (Fall Term 2014)
  • PH545 - Electromagnetic Theory I (Fall Term 2015)
  • PH545 - Electromagnetic Theory I (Fall Term 2016)
  • PH545 - Electromagnetic Theory I (Fall Term 2017)
  • PH545 - Electromagnetic Theory I (Fall Term 2018)
  • PH545 - Electromagnetic Theory I (Fall Term 2019)
  • PH545 - Electromagnetic Theory I (Fall Term 2020)
  • PH545 - Electromagnetic Theory I (Fall Term 2022)
  • PH546 - Electromagnetic Theory II (Spring Term 2014)
  • PH546 - Electromagnetic Theory II (Spring Term 2015)
  • PH546 - Electromagnetic Theory II (Spring Term 2016)
  • PH546 - Electromagnetic Theory II (Spring Term 2020)
  • PH546 - Electromagnetic Theory II (Spring Term 2021)
  • PH546 - Electromagnetic Theory II (Spring Term 2023)
  • PH550 - Intro to Quantum Mechanics I (Fall Term 2008)
  • PH553 - Solid State Physics I (Fall Term 2007)
  • PH553 - Solid State Physics I (Fall Term 2010)
  • PH554 - Solid State Physics II (Spring Term 2008)
  • PH554 - Solid State Physics II (Spring Term 2011)
  • PH698 - MR Lev Non-Thesis Res (Fall Term 2008)
  • PH698 - MR Lev Non-Thesis Res (Spring Term 2009)
  • PH698 - MR Lev Non-Thesis Res (Spring Term 2013)
  • PH698 - MR Lev Non-Thesis Res (Spring Term 2023)
  • PH698 - MR Lev Non-Thesis Res (Summer Term 2009)
  • PH698 - MR Lev Non-Thesis Res (Summer Term 2022)
  • PH699 - Research for Thesis (Fall Term 2008)
  • PH699 - Research for Thesis (Fall Term 2009)
  • PH699 - Research for Thesis (Spring Term 2008)
  • PH699 - Research for Thesis (Summer Term 2009)
  • PH699 - Research for Thesis (Summer Term 2013)
  • PH753 - Solid State Physics I (Fall Term 2012)
  • PH754 - Solid State Physics II (Spring Term 2013)
  • PH791 - Physics Seminar I (Fall Term 2007)
  • PH791 - Physics Seminar I (Fall Term 2008)
  • PH791 - Physics Seminar I (Fall Term 2009)
  • PH791 - Physics Seminar I (Fall Term 2012)
  • PH791 - Physics Seminar I (Fall Term 2013)
  • PH791 - Physics Seminar I (Fall Term 2016)
  • PH791 - Physics Seminar I (Fall Term 2017)
  • PH791 - Physics Seminar I (Fall Term 2018)
  • PH792 - Physics Seminar II (Spring Term 2010)
  • PH792 - Physics Seminar II (Spring Term 2013)
  • PH792 - Physics Seminar II (Spring Term 2014)
  • PH792 - Physics Seminar II (Spring Term 2017)
  • PH792 - Physics Seminar II (Spring Term 2018)
  • PH793 - Scientific Communications I (Fall Term 2009)
  • PH793 - Scientific Communications I (Fall Term 2011)
  • PH793 - Scientific Communications I (Fall Term 2017)
  • PH793 - Scientific Communications I (Fall Term 2018)
  • PH793 - Scientific Communications I (Fall Term 2022)
  • PH794 - Scientific Communications II (Spring Term 2010)
  • PH794 - Scientific Communications II (Spring Term 2018)
  • PH794 - Scientific Communications II (Spring Term 2019)
  • PH794 - Scientific Communications II (Spring Term 2020)
  • PH794 - Scientific Communications II (Spring Term 2021)
  • PH794 - Scientific Communications II (Spring Term 2023)
  • PH797 - Special Topics in Physics (Spring Term 2008)
  • PH797 - Special Topics in Physics (Summer Term 2018)
  • PH797 - Special Topics in Physics (Summer Term 2019)
  • PH798 - Non-Dissertation Research (Fall Term 2007)
  • PH798 - Non-Dissertation Research (Fall Term 2010)
  • PH798 - Non-Dissertation Research (Fall Term 2011)
  • PH798 - Non-Dissertation Research (Fall Term 2012)
  • PH798 - Non-Dissertation Research (Fall Term 2013)
  • PH798 - Non-Dissertation Research (Fall Term 2014)
  • PH798 - Non-Dissertation Research (Fall Term 2015)
  • PH798 - Non-Dissertation Research (Fall Term 2016)
  • PH798 - Non-Dissertation Research (Fall Term 2017)
  • PH798 - Non-Dissertation Research (Fall Term 2018)
  • PH798 - Non-Dissertation Research (Fall Term 2019)
  • PH798 - Non-Dissertation Research (Fall Term 2020)
  • PH798 - Non-Dissertation Research (Fall Term 2021)
  • PH798 - Non-Dissertation Research (Fall Term 2022)
  • PH798 - Non-Dissertation Research (Spring Term 2010)
  • PH798 - Non-Dissertation Research (Spring Term 2011)
  • PH798 - Non-Dissertation Research (Spring Term 2012)
  • PH798 - Non-Dissertation Research (Spring Term 2013)
  • PH798 - Non-Dissertation Research (Spring Term 2014)
  • PH798 - Non-Dissertation Research (Spring Term 2015)
  • PH798 - Non-Dissertation Research (Spring Term 2016)
  • PH798 - Non-Dissertation Research (Spring Term 2017)
  • PH798 - Non-Dissertation Research (Spring Term 2018)
  • PH798 - Non-Dissertation Research (Spring Term 2019)
  • PH798 - Non-Dissertation Research (Spring Term 2020)
  • PH798 - Non-Dissertation Research (Spring Term 2021)
  • PH798 - Non-Dissertation Research (Spring Term 2022)
  • PH798 - Non-Dissertation Research (Spring Term 2023)
  • PH798 - Non-Dissertation Research (Summer Term 2012)
  • PH798 - Non-Dissertation Research (Summer Term 2013)
  • PH798 - Non-Dissertation Research (Summer Term 2014)
  • PH798 - Non-Dissertation Research (Summer Term 2015)
  • PH798 - Non-Dissertation Research (Summer Term 2016)
  • PH798 - Non-Dissertation Research (Summer Term 2017)
  • PH798 - Non-Dissertation Research (Summer Term 2018)
  • PH798 - Non-Dissertation Research (Summer Term 2019)
  • PH798 - Non-Dissertation Research (Summer Term 2020)
  • PH798 - Non-Dissertation Research (Summer Term 2021)
  • PH798 - Non-Dissertation Research (Summer Term 2022)
  • PH799 - Research for Dissertation (Fall Term 2016)
  • PH799 - Research for Dissertation (Fall Term 2017)
  • PH799 - Research for Dissertation (Fall Term 2018)
  • PH799 - Research for Dissertation (Fall Term 2020)
  • PH799 - Research for Dissertation (Fall Term 2021)
  • PH799 - Research for Dissertation (Spring Term 2008)
  • PH799 - Research for Dissertation (Spring Term 2017)
  • PH799 - Research for Dissertation (Spring Term 2018)
  • PH799 - Research for Dissertation (Spring Term 2019)
  • PH799 - Research for Dissertation (Spring Term 2021)
  • PH799 - Research for Dissertation (Spring Term 2022)
  • PH799 - Research for Dissertation (Summer Term 2012)
  • PH799 - Research for Dissertation (Summer Term 2017)
  • PH799 - Research for Dissertation (Summer Term 2018)
  • PH799 - Research for Dissertation (Summer Term 2019)
  • PH799 - Research for Dissertation (Summer Term 2021)
  • PH799 - Research for Dissertation (Summer Term 2022)
  • PHS101 - Physical Science (Fall Term 2008)
  • PHS101 - Physical Science (Fall Term 2008)
  • PHS101 - Physical Science (Fall Term 2009)
  • PHS101 - Physical Science (Fall Term 2009)
  • PHS101 - Physical Science (Fall Term 2010)
  • PHS101 - Physical Science (Fall Term 2010)
  • PHS101 - Physical Science (Spring Term 2011)
  • PHS101 - Physical Science (Spring Term 2011)
  • PHS101L - Physical Science Lab (Fall Term 2008)
  • PHS101L - Physical Science Lab (Fall Term 2008)
  • PHS101L - Physical Science Lab (Fall Term 2009)
  • PHS101L - Physical Science Lab (Fall Term 2009)
  • PHS101L - Physical Science Lab (Fall Term 2010)
  • PHS101L - Physical Science Lab (Fall Term 2010)
  • PHS101L - Physical Science Lab (Spring Term 2011)
  • PHS101L - Physical Science Lab (Spring Term 2011)
  • STH299 - Interdisciplinary Seminar (Fall Term 2009)
  • STH299 - Interdisciplinary Seminar (Fall Term 2010)
  • Education And Training

  • Doctor of Philosophy in Physics, Lehigh University 1988
  • Master of Science in Physics, Lehigh University 1983
  • Full Name

  • Mary Zvanut