F Sherwood Rowland and Mario Molina

F Sherwood Rowland and Mario Molina

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Credit: EMILIO SEGRE VISUAL ARCHIVES/AMERICAN INSTITUTE OF PHYSICS/SCIENCE PHOTO LIBRARY

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Caption: Frank Sherwood Rowland (1927-2012), US chemist, and Mario Molina (b. 1943), Mexican chemist, in a laboratory. Rowland and Molina are best known for their work that showed CFCs (chlorofluorocarbons) were destructive to the Earth's ozone layer. They held a press conference in 1974 calling for a complete ban on the use of these chemicals. However, it was several years before any action was taken. Rowland and Molina shared the 1995 Nobel Prize in Chemistry with Paul Crutzen for this work. Photographed in October 1975.

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Keywords: 1970s, 20th century, 30s, 40s, american, atmospheric chemistry, black-and-white, caucasian, cfc, cfcs, chemical, chemist, chemistry, chlorofluorocarbons, dead, environmentalist, equipment, forties, frank sherwood rowland, historical, history, human, lab, laboratory, male, man, mario molina, mexican, middle-aged, monochrome, nobel laureate, nobel laureates, nobel prize in chemistry, october 1975, ozone hole, ozone layer depletion, people, person, researcher, scientist, surname m, surname r, thirties, us, young

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