Lee, Tsung-Dao Born 1926.
Chinese-born American physicist who shared a 1957 Nobel Prize for theorizing that the principle of parity conservation did not hold in weak interactions between elementary particles.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.