Sidney Altman(May 7, 1939 – April 5, 2022) was a Canadian-Americanmolecular biologist, who was theSterling Professorof Molecular, Cellular, and Developmental Biology and Chemistry atYale University. In 1989, he shared theNobel Prize in ChemistrywithThomas R. Cechfor their work on the catalytic properties ofRNA. Fields: Molecular biology Education: Massachusetts Institute of Technology University of Colorado Medical Center Columbia University Arizona State University