Howard Ensign Simmons Jr.

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Howard Ensign Simmons Jr.
HES Jr 1993.jpg
Simmons, Spring 1993, Wilmington, Delaware
Born (1929-06-17)June 17, 1929
Norfolk, Virginia United States
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Nationality American
Institutions DuPont Central Research
Alma mater Massachusetts Institute of Technology
Known for Simmons–Smith reaction
Notable awards Priestley Medal (1994)
National Medal of Science (1992)
Charles Goodyear Medal (1952)

Howard Ensign Simmons Jr. (June 17, 1929 – April 26, 1997) was an American chemist who discovered the Simmons–Smith reaction.


He was born on June 17, 1929. In 1952, Simmons received the Charles Goodyear Medal.

In 1976, Simmons served as Chair of the Organic division of the American Chemical Society.[1]

He died on April 26, 1997.


  1. ACS Organic Division Archive. - Retrieved 2010-12-28.