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The Purdue Department of Physics is proud to have been associated with a large number of quality scientists over nearly a century as students, faculty or staff. Among them are such illustrious people as Julian S. Schwinger (Purdue faculty in 1940's, Nobel Prize 1965) and Ben Roy Mottelson (BS Purdue 1947, Nobel Prize 1975).

These pages are intended as both a tribute to our alums as well as an inspiration to our students. Here you will find our stories about our Distinguished Alumni, reports of recent alumni events, and the results of an alumni survey. The survey was designed to provide a link between our alums and our students. If you have not contributed to the survey, we encourage you to do so. Be sure to come back often to keep up to date on Purdue Physics Alumni.

2011 Distinguished Science Alumni Award

Dr. Thomas A. Longo
  • PhD '57, Purdue University, Physics
  • MS '53, Purdue University, Physics
  • BS '47, Purdue University, Physics and Chemistry
  • BS '47, Purdue University, Naval Science

Dr. Thomas Longo received his MS in Physics from Purdue in 1953, then his PhD in Physics in 1957 while doing silcon research with Dr. Karl Lark-Horovitz. He went on to a successful career in silicon research and development for Sylvania Semiconductor and Fairchild Semiconductor before forming his own company, Performance Semiconductor, in 1985 to develop submicron CMOS technology and microprocessors for military application. Dr. Longo retired in 2003 after 50 years of continuous silicon activities.
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2011 Outstanding Alumni Award

Dr. Charles P. Beetz
Charles Beetz - Outstanding Alumni 2011
  • PhD '78, Purdue University, Physics
  • BS '70, Morehead State University, Physics & Mathematics

Charles Beetz earned his Ph.D. in Physics in 1978, then worked for General Motors Research Laboratories, eventually rising to Principal Research Scientist and Section Manager for Materials Physics. He left GMRL to form a series of startup companies. In 2008 he co-founded ZoomEssence, Inc., where he serves as Chief Scientist. Dr. Beetz also owns and operates Rose Hill Farm Winery with his wife, Virginia.
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Dr. Penny Warren
Penny Warren - Outstanding Alumni 2011
  • PhD '96, Purdue University, Physics
  • BS '87, Kansas State University, Physics

Penny Warren earned her Ph.D. in Physics in 1996, then worked as a Research Physicist in the Optical Sciences Division of the Naval Research Laboratory in Washington, D.C. She is now Detector Area Functional Manager and Principal Detector Engineer at Ball Aerospace & Technologies Corporation, where she has worked since 2002. Penny and her spouse, Eric Johnson, reside in Boulder, CO.
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