The President's National Medal of Science: Recipient Details
S. L. Mitchell Professor of Chemistry
Department of Chemistry
New York,New York 10027 USA
"For his incisive work on enzyme mimics that has built bridges between chemistry and biochemistry, and for his seminal work on novel conjugated molecules and a new class of anticancer agents."
Presented by President Bush at a White House Rose Garden Ceremony on September 16, 1991.