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US-amerikanischer Chemieingenieur
John H. Sinfelt (* 18. February 1931 in Clearfield County; † 28. May 2011 in Morristown) was an uS-amerikanischer Chemieingenieur. He was 80 years old. His education included University of Illinois system and Pennsylvania State University. He worked at Standard Oil of New Jersey and Exxon. He received 7 awards, including Perkin Medal, National Medal of Science.