Wikimedia
Wikipedia: Tsung Dao Lee
Wikipedia provides biographical information on Tsung-Dao Lee, a Chinese-American physicist who recieved the Nobel Prize at the age of thirty-one.
Encyclopedia Britannica
Encyclopedia Britannica: Yang, Chen Ning
A biography on physicist Chen Ning Yang that focuses on his work with Tsung-Dao Lee in which they proved that parity is violated when certain elementary particles decay. The biography also touches upon his education, scientific work, and...