The President's National Medal of Science: Recipient Details
Arie Jan Haagen-Smit
Professor Emeritus of Biochemistry
California Institute of Technology
Pasadena,California 91109 USA
"For his unique contributions to the discovery of the chemical nature and source of smog, and for the successful efforts which he has carried through for smog abatement."
Presented by President Nixon at a White House Ceremony on October 10, 1973.