Howard Ensign Simmons Jr.

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Howard Ensign Simmons Jr.
Simmons, Spring 1993, Wilmington, Delaware
Born(1929-06-17)June 17, 1929
DiedApril 26, 1997(1997-04-26) (aged 67)
Alma materMassachusetts Institute of Technology
Known forSimmons–Smith reaction
AwardsPriestley Medal (1994)
National Medal of Science (1992)
Charles Goodyear Medal (1952)
Scientific career
InstitutionsDuPont Central Research

Howard Ensign Simmons Jr. (June 17, 1929 – April 26, 1997) was an American chemist with DuPont 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 was a member of the American Academy of Arts and Sciences,[2] the National Academy of Sciences,[3] and the American Philosophical Society.[4]

He died on April 26, 1997.


  1. ^ ACS Organic Division History. - Retrieved 2018-9-24.
  2. ^ "Howard Ensign Simmons". American Academy of Arts & Sciences. Retrieved 2022-02-10.
  3. ^ "H. E. Simmons, cons_suffix". Retrieved 2022-02-10.
  4. ^ "APS Member History". Retrieved 2022-02-10.

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