Crutzen, Paul Jozef

Crutzen, Paul Jozef,

1933–, Dutch atmospheric chemist, grad. Univ. of Stockholm (Ph.D. 1968, D.Sc. 1973). After working (1977–80) for the National Center for Atmospheric Research, Boulder, Colo., and teaching (1976–81) at Colorado State Univ., he joined (1980) the faculty at the Max-Planck-Institute for Chemistry, Mainz, Germany, where he has been a professor emeritus since 2000. He, Mario MolinaMolina, Mario
(Mario José Molina-Pasquel y Henríquez), 1943–2020, Mexican chemist, Ph.D. Univ. of California, Berkeley, 1972. Molina was a professor at the Univ.
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, and Sherwood RowlandRowland, Frank Sherwood,
1927–2012, American chemist, b. Delaware, Ohio, Ph.D. Univ. of Chicago, 1952. Rowland taught at Princeton from 1952 to 1956 and at the Univ. of Kansas from 1956 to 1964, when be became a professor at the Univ. of California, Irvine.
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 shared the Nobel Prize in Chemistry in 1995 for their contributions to the understanding of atmospheric chemistry, in particular the formation and decomposition of ozone in the ozone layer. Crutzen showed that nitrogen oxides resulting from the decay of nitrous oxide react catalytically with atmospheric ozone (O3) to produce oxygen (O2).
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