The youngest Nobel laureate for sciences in the modern era, physicist Tsung Dao-Lee won the 1957 Nobel Prize in Physics for his work on the violation of the parity law. Dao-Lee and his partner Chen Ning Yang were the first Chinese laureates, and Dao-Lee remains the youngest American Nobel laureate in history. In his later life, Dao-Lee was a professor and researcher at Columbia University and created the Chun-Tsung Endowment in memory of his wife, which awards undergraduate scholarships to students at six universities in China.