Who was born in November 1915

Canadian-born American chemist who won the 1983 Nobel Prize for his revolutionary insights into electron-transfer reactions

Chilean military officer and politician who served as dictator of Chile from 1973 to 1990, becoming the longest-serving head of state in the country's history

French philosopher, essayist, literary theorist, and semiotician whose work analyzed sign systems and influenced structuralism and post-structuralism