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Born to Swiss immigrant parents in the Bronx, New York, Abplanalp graduated from [[Fordham Preparatory School]] in 1939 (he rescued the school from financial distress in 1978) and studied mechanical engineering at Villanova University. He ran a small [[machine shop]] prior to entering the [[United States Army]] in 1943. After serving in [[World War II]] he worked in his machine shop where he invented a practical [[Aerosol spray|aerosol valve]] that could be mass-produced inexpensively.<ref>{{US patent|2631814}}&nbsp;— Valve Mechanism for Dispensing Gases and Liquids Under Pressure; application September 28, 1949, issued March 17, 1953</ref> He began the Precision Valve Corporation in 1949, and, by 1950, 15,000,000 valves had been produced, marking the beginning of his business empire.
 
Born to Swiss immigrant parents in the Bronx, New York, Abplanalp graduated from [[Fordham Preparatory School]] in 1939 (he rescued the school from financial distress in 1978) and studied mechanical engineering at Villanova University. He ran a small [[machine shop]] prior to entering the [[United States Army]] in 1943. After serving in [[World War II]] he worked in his machine shop where he invented a practical [[Aerosol spray|aerosol valve]] that could be mass-produced inexpensively.<ref>{{US patent|2631814}}&nbsp;— Valve Mechanism for Dispensing Gases and Liquids Under Pressure; application September 28, 1949, issued March 17, 1953</ref> He began the Precision Valve Corporation in 1949, and, by 1950, 15,000,000 valves had been produced, marking the beginning of his business empire.
 
==Response to ozone depletion==
 
==Response to ozone depletion==
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In 1974 [[Frank Sherwood Rowland]], Chemistry Professor at the University of California at Irvine, and his postdoctoral associate [[Mario J. Molina]] suggested that long-lived organic halogen compounds, such as the [[chlorofluorocarbons|CFCs]] then widely used to pressurize spray cans, would reach the stratosphere where they would be dissociated by UV light, releasing chlorine atoms. Abplanalp wrote to the Chancellor of [[UC Irvine]] to complain about Rowland's public statements.<ref>Roan, Sharon (1989) ''Ozone crisis: The 15-year evolution of a sudden global emergency'', New York: Wiley, p.&nbsp;56 {{ISBN|0-471-52823-4}}</ref> In 1976 the United States National Academy of Sciences released a report concluding that the [[ozone depletion]] hypothesis was strongly supported by the scientific evidence; the United States, Canada and Norway banned the use of CFCs in [[Aerosol spray|aerosol spray cans]] in 1978.
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In 1974 [[Frank Sherwood Rowland]], Chemistry Professor at the University of California at Irvine, and his postdoctoral associate [[Mario J. Molina]] suggested that long-lived organic halogen compounds, such as the [[chlorofluorocarbons|CFCs]] then widely used to pressurize spray cans, would reach the stratosphere where they would be dissociated by UV light, releasing chlorine atoms. Abplanalp wrote to the Chancellor of [[UC Irvine]] to complain about Rowland's public statements.<ref>Roan, Sharon (1989) ''Ozone crisis: The 15-year evolution of a sudden global emergency'', New York: Wiley, p.&nbsp;56 {{ISBN|0-471-52823-4}}</ref> In 1976 the [[United States National Academy of Sciences]] released a report concluding that the [[ozone depletion]] hypothesis was strongly supported by the scientific evidence; the United States, Canada and Norway banned the use of CFCs in [[Aerosol spray|aerosol spray cans]] in 1978.
   
 
==Personal life==
 
==Personal life==

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