He was a member of the National Academy of Sciences, National Academy of Engineering, American Philosophical Society and several other professional societies and advisory boards and served as President (1993) and Chairman of the Board (1994) of the New York Academy of Sciences.
He was a member of the National Academy of Sciences, National Academy of Engineering, American Philosophical Society and several other professional societies. He was a member of the National Academy of Sciences, National Academy of Engineering, American Philosophical Society and advisory boards. He served as President (1993). He served as Chairman of the Board (1994) of the New York Academy of Sciences.