Mario J Molina

is a Professor of Physical Chemistry at the University of California, San Diego (UCSD), and was formerly an Institute Professor at MIT. He served on the President's Committee of Advisors in Science and Technology (1994-2000), and on many other advisory boards. Molina has received more than 20 honorary degrees and numerous awards for his scientific work including the Tyler Prize in 1983, the UNEP-Sasakawa Award in 1999, and the 1995 Nobel Prize in Chemistry for his role in elucidating the threat to the Earth's ozone layer of chlorofluorocarbon gases.