American Philosophical Society
Member History

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103. Engineering[X]
1Name:  Dr. John H. Sinfelt
 Institution:  Exxon Mobil Research and Engineering Co.
 Year Elected:  1994
 Class:  1. Mathematical and Physical Sciences
 Subdivision:  103. Engineering
 Residency:  Resident
 Living? :   Deceased
 Birth Date:  1931
 Death Date:  May 28, 2011
A leading scientist in catalysis by metals, John H. Sinfelt was Senior Scientific Advisor Emeritus at Exxon Mobil Research and Engineering Company at his death on May 28, 2011. He was affiliated with the company since 1954, the year he was awarded his Ph.D. by the University of Illinois. Credited with discovering that a combination of metals insoluble in the bulk is the ideal catalyst for making unleaded gasoline with minimal waste of off-gas, Dr. Sinfelt also found that these metals could form bimetallic clusters in sizes of 10-30 A on Al2O3 or SiO2 and established the first practical catalys from Pt-Ir. Dr. Sinfelt's contributions have been recognized with the National Medal of Science and awards from engineering, chemical and physical societies. He is a member of the National Academy of Sciences, the American Academy of Arts & Sciences and the National Academy of Engineering.
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