American Philosophical Society
Member History

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1. Mathematical and Physical Sciences[X]
1Name:  Dr. Alfred Y. Cho
 Institution:  Bell Laboratories, Lucent Technologies
 Year Elected:  1996
 Class:  1. Mathematical and Physical Sciences
 Subdivision:  103. Engineering
 Residency:  Resident
 Living? :   Living
 Birth Date:  1937
   
 
Alfred Y. Cho was born July 10, 1937 in Beijing, China. He retired as the Semiconductor Research Vice President, Bell Laboratories, Lucent Technologies in 2001. He received his B.S., M.S., and Ph.D. in electrical engineering from the University of Illinois in 1960, 1961, and 1968, respectively. In 1961, prior to obtaining his Ph.D. degree, he worked at Ion Physics Corporation, Burlington, Massachusetts, a subsidiary of High Voltage Engineering Corporation, where he studied charged micron-sized solid particles in high electric fields. In 1962, he joined TRW-Space Technology Laboratories, Redondo Beach, California, and engaged in research in high current density ion beams. He returned to the University of Illinois in 1965 and received a Ph.D. degree in electrical engineering in 1968. Upon his graduation in 1968, he joined Bell Laboratories, Murray Hill, New Jersey as a Member of Technical Staff and was promoted to Department Head in 1984. He was named Director of the Materials Processing Research Laboratory in 1987 and Semiconductor Research Vice President in 1990. He is now an Adjunct Semiconductor Research Vice President, Bell Labs, Lucent Technologies, and an Adjunct Professor at the University of Illinois. He has made seminal contributions to materials science and physical electronics through his pioneering development of the molecular beam epitaxy (MBE) crystal growth process. He demonstrated that MBE could be used to prepare epitaxial films one atomic layer at a time, with exceptional control at atomic dimensions and further showed that these films could be the basis of devices with never before realized electrical and optical properties. His work has bridged many disciplines ranging from fundamental quantum physics, through epitaxial crystal growth, to device fabrication and testing. The capabilities of MBE have allowed new fields of materials research to develop. The ability to precisely make quantum wells has had a far-reaching impact, ranging from classroom physics to revolutions in electronic and optical devices for the consumer electronics, computer and communications industries MBE is broadly used today for advanced multilayer crystal growth and has led to radically new devices including high-speed transistors, microwave devices, laser diodes and detectors. Most of the semiconductor lasers used in today's compact disc players and CD-ROM'S are manufactured using MBE-grown material. Presently, MBE is used to produce the Hall sensors used as disk drive speed controllers for computers and VCRs. High electron mobility transistors (HEMTs) which are utilized as high speed circuit components and in high frequency, low noise, direct broadcast satellite and wireless communications are manufactured by MBE. This impact of MBE on fundamental science has been as dramatic as its impact on semiconductor technology. A significant ongoing contribution of MBE is the experimental generation of low dimensional systems. The discovery of an entirely new state of electrons, the fractional quantized Hall effect, was made possible as a result of MBE crystal quality. More recently (1994) he and coworkers demonstrated a fundamentally new type of laser which is a unipolar intersubband semiconductor laser called the quantum cascade (QC) laser. Dr. Cho has authored over 590 papers in surface physics, crystal growth, and device physics and performance. He holds 75 patents on crystal growth and semiconductor devices related to MBE. He is a recipient of the Electronics Division Award of the Electrochemical Society (1977), the American Physical Society International Prize for New Materials (1982), the IEEE Morris N. Liebmann Award (1982), the GaAs Symposium Award - Ford (1986), the Heinrich Welker Medal - Siemens (1986), the Solid State Science and Technology Medal of the Electrochemical Society (1987), the World Materials Congress Award of ASM International (1988), the Gaede-Langmuir Award of the American Vacuum Society (1988), the Industrial Research Institute Achievement Award of the Industrial Research Institute, Inc. (1988), the New Jersey Governor's Thomas Alva Edison Science Award (1990), the International Crystal Growth Award of the American Association for Crystal Growth (1990), the Asian American Corporate Achievement Award (1992), the AT&T Bell Labs Fellow Award (1992), the National Medal of Science, presented by President Clinton (1993), the Newcomb Cleveland Prize of the American Association for the Advancement of Science (1993-94), the IEEE Medal of Honor (1994), the Materials Research Society Von Hippel Award (1994), The Elliott Cresson Medal of the Franklin Institute (1995), the Computer and Communications Prize of the C & C Foundation, Japan (1995), the New Jersey Inventors Hall of Fame (1997), Honorary Doctor of Engineering, University of Illinois at Urbana-Champaign (1999), the Willis E. Lamb Medal for Laser Physics (2000), the University of Illinois Alumni Achievement Award (2000), the IEEE Third Millennium Medal (2000), the NASA Group Achievement Award (2000), Honorary Doctor of Science Degree, City University of Hong Kong (2000) and the Honorary Doctor of Science, Hong Kong Baptist University (2001), and the 2005 National Medal of Technology, announced and presented by President Bush in 2007. He is a Fellow of the Institute of Electrical and Electronics Engineering, the American Physical Society, and the American Academy of Arts & Sciences. He is a member of the U. S. National Academy of Engineering (1985), the National Academy of Sciences (1985), the Third World Academia of Sciences (1987), the Academia Sinica (1990), the Chinese Academy of Sciences (1996), and the American Philosophical Society (1996). He is married to Mona Willoughby; they have four children, Derek, Deidre, Brynna, and Wendy. His outside interests include painting, calligraphy, photography, table tennis, and most recently, learning how to play golf.
 
2Name:  Dr. Marye Anne Fox
 Institution:  University of California, San Diego
 Year Elected:  1996
 Class:  1. Mathematical and Physical Sciences
 Subdivision:  102. Chemistry and Chemical Biochemistry
 Residency:  Resident
 Living? :   Deceased
 Birth Date:  1947
 Death Date:  May 9, 2021
   
 
Dr. Marye Anne Fox, a nationally known chemist and academic leader, was named the seventh chancellor of the University of California, San Diego in April 2004 by the University of California Board of Regents. She stepped down from that position in July 2012 and continued at the university as Professor of Chemistry. Previously, Dr. Fox was chancellor and distinguished university professor of chemistry at North Carolina State University, a post she held since 1998. Before going to North Carolina State, Fox spent 22 years at the University of Texas, where she advanced from assistant professor of organic chemistry to vice president for research and held the Waggoner Regents Chair in chemistry. Dr. Fox has held over 50 endowed lectureships at universities around the world. She has also served as visiting professor at Harvard University, the University of Iowa, the University of Chicago, the Université Pierre et Marie Curie in Paris and the Chemistry Research Promotion Center in Taipei. Dr. Fox earned a bachelor's degree in science from Notre Dame College, a master's degree in science from Cleveland State University and a Ph.D. from Dartmouth College. She is an elected member of the National Academy of Sciences and has served on its executive committee, and is a fellow of the American Association for the Advancement of Science and the American Academy of Arts & Sciences. Dr. Fox has received numerous awards, including the Charles Lathrop Parsons Award (2005) from the American Chemical Society in recognition of outstanding public service and the 2010 National Medal of Science. She has received a long list of research awards from professional societies in the U.S. and abroad. She also has been honored with numerous teaching awards, as well as the Monie Ferst Award, a national award recognizing outstanding mentoring of graduate students. More than 50 students have received advanced degrees under her supervision, and over 100 postdoctoral fellows and sabbatical visitors have worked with her. Dr. Fox also served on numerous boards, including the President's Council of Advisors on Science and Technology (PCAST), where she chaired the Subcommittee on Infrastructure for the 21st Century in 2003; the National Academy's Government-University-Industry Research Roundtable; the National Association of State Universities and Land Grant Colleges (NASULGC); and a number of corporate boards. Dr. Fox, who was born in Canton, Ohio, is married to UCSD professor of chemistry James K. Whitesell. She has three sons and two stepsons. She died on May 9, 2021.
 
3Name:  Dr. Peter D. Lax
 Institution:  New York University
 Year Elected:  1996
 Class:  1. Mathematical and Physical Sciences
 Subdivision:  104. Mathematics
 Residency:  Resident
 Living? :   Living
 Birth Date:  1926
   
 
Peter D. Lax is a most distinguished mathematician who has earned renown for his contributions in both pure and applied mathematics. One of many methods named after him is Lax pairs, which came from his analysis of fluid dynamics. His name is connected with many major mathematical results and numerical methods, including the Lax equivalence theorem, Lax-Friedrichs scheme, Lax-Wendroff scheme, Lax entropy condition, and Lax-Levermore theory. His work covers all aspects of partial differential equations. In linear theory it includes his fundamental oscillatory approximation for solving hyperbolic equations, which led to the theory of Fourier Integral Operators. His famous collaboration with R.S. Phillips involves extremely deep work in scattering theory and connects with problems on automorphic functions in hyperbolic geometry. Dr. Lax has also done basic work in numerical analysis for partial differential equations. In nonlinear theory he has done fundamental work on shock waves, and on KdV equations: completely integrable systems possessing solition solutions. A native of Hungary, Dr. Lax earned his Ph.D. from New York University in 1949 and has served at NYU's Courant Institute of Mathematical Sciences since 1958. He has also directed the Courant Mathematics and Computing Lab and is currently Professor of Mathematics Emeritus. Dr. Lax has won many honors such as the Chauvenet Prize (1974), the National Medal of Science (1986), the Wolf Prize (1987), the Abel Prize (2005) and membership in the American Academy of Arts & Sciences and the National Academy of Sciences. Dr. Lax is the author of numerous works, including textbooks on functional analysis, linear algebra, calculus and partial differential equations.
 
4Name:  Dr. Nelson J. Leonard
 Institution:  University of Illinois & California Institute of Technology
 Year Elected:  1996
 Class:  1. Mathematical and Physical Sciences
 Subdivision:  102. Chemistry and Chemical Biochemistry
 Residency:  Resident
 Living? :   Deceased
 Birth Date:  1916
 Death Date:  October 9, 2006
   
5Name:  Dr. Raphael David Levine
 Institution:  Hebrew University
 Year Elected:  1996
 Class:  1. Mathematical and Physical Sciences
 Subdivision:  102. Chemistry and Chemical Biochemistry
 Residency:  International
 Living? :   Living
 Birth Date:  1938
   
 
Raphael Levine is Max Born Professor of Natural Philosophy at Hebrew University. He describes his work like so: "A central concern of Chemistry is the transformation of matter to create new materials. We call such transmutations 'chemical reactions'. I try to understand what makes chemical reactions go. I also seek to view them on the most highly resolved level, that of the actual molecules undergoing the change. As the starting materials evolve into the products, how do the atoms move, what energetic constraints operate and are there any steric requirements. I am a theorist but I do attempt to find out what are the concerns of my experimental colleagues. Currently the systems we study are larger than before and we are able to explore further away from equilibrium. One line of such activity is chemistry under extreme conditions. We are also able to take into account inherently quantum mechanical features such as when processes occur simultaneously on several electronic states (so called, the breakdown of the Born-Oppenheimer approximation)." His most recent book, Molecular Reaction Dynamics (2005) provides more details. Dr. Levine's research methods include molecular dynamics simulations and quantum mechanical methods. Often he seeks a more compact description. For this, methodologies based on information theory and on algebraic quantum mechanics are useful. In particular, they provide methods of data reduction (e.g., surprisal analysis) which can also be used in a predictive model. He prefers models that emphasize key aspects of the problem and allow for a simple conceptual picture of the dynamics as much as exact numerical simulations. He also indulges in examining more abstract issues.
 
6Name:  Dr. Cathleen S. Morawetz
 Institution:  New York University & New York Mayor's Commission on Science & Technology
 Year Elected:  1996
 Class:  1. Mathematical and Physical Sciences
 Subdivision:  104. Mathematics
 Residency:  Resident
 Living? :   Deceased
 Birth Date:  1923
 Death Date:  August 8, 2017
   
 
Mathematician Cathleen Synge Morawetz was born in Toronto, Canada in 1923. She graduated from the University of Toronto in 1945 and received her master's degree from the Massachusetts Institute of Technology. She then earned her Ph.D. at New York University with a thesis on the stability of a spherical implosion. She became an assistant professor at the Courant Institute of Mathematical Sciences at NYU in 1957 and remained at NYU throughout her career, serving as the Institute's director from 1984-88. Dr. Morawetz is a member of the National Academy of Sciences, a former president of the American Mathematical Society and the recipient of the 1998 National Medal of Science. She was elected a member of the American Philosophical Society in 1996. Her research focused mainly on the study of the partial differential equations governing fluid flow, particularly those of mixed type occurring in transonic flow. She died August 8, 2017 at the age of 94 at home in Manhattan.
 
7Name:  Dr. Malvin A. Ruderman
 Institution:  Columbia University
 Year Elected:  1996
 Class:  1. Mathematical and Physical Sciences
 Subdivision:  101. Astronomy
 Residency:  Resident
 Living? :   Living
 Birth Date:  1927
   
 
Malvin A. Ruderman is Centennial Professor of Physics and Applied Physics at Columbia University. His main research interests in recent years have been the structure of neutron stars and how these objects convert so much of the spin-energy which they have when they are formed into beams of high energy radiation. Dr. Ruderman holds a B.A. from Columbia (1945) and a Ph.D. from the California Institute of Technology (1951). Among his recent publications is "A Biography of the Magnetic Field of a Neutron Star" (2004).
 
8Name:  Dr. John A. Simpson
 Institution:  Enrico Fermi Institute, University of Chicago
 Year Elected:  1996
 Class:  1. Mathematical and Physical Sciences
 Subdivision:  106. Physics
 Residency:  Resident
 Living? :   Deceased
 Birth Date:  1916
 Death Date:  August 31, 2000
   
9Name:  Sir Robert Wilson
 Institution:  University College of London
 Year Elected:  1996
 Class:  1. Mathematical and Physical Sciences
 Subdivision:  101. Astronomy
 Residency:  International
 Living? :   Deceased
 Birth Date:  1938
 Death Date:  September 2, 2002
   
Election Year
1996[X]