Howard Ensign Simmons Jr. (June 17, 1929 – April 26, 1997) was an American chemist with

DuPont Dupont, DuPont, Du Pont, duPont, or du Pont may refer to: People * Dupont (surname) Dupont, also spelled as DuPont, duPont, Du Pont, or du Pont is a French surname meaning "of the bridge", historically indicating that the holder of the surname re ...

who discovered the

Simmons–Smith reaction The Simmons–Smith reaction is an organic cheletropic reaction involving an organozinc carbenoid that reacts with an alkene (or alkyne) to form a cyclopropane. It is named after Howard Ensign Simmons, Jr. and Ronald D. Smith. It uses a me ...

Biography

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

Charles Goodyear Medal The Charles Goodyear Medal is the highest honor conferred by the American Chemical Society#Organization, American Chemical Society, Rubber Division. Established in 1941, the award is named after Charles Goodyear, the discoverer of vulcanization, ...

. In 1976, Simmons served as chair of the organic division of the

American Chemical Society The American Chemical Society (ACS) is a scientific society based in the United States that supports scientific inquiry in the field of chemistry. Founded in 1876 at New York University, the ACS currently has more than 155,000 members at all ...

. ACS Organic Division History.
- Retrieved 2018-9-24. He was a member of the

American Academy of Arts and Sciences The American Academy of Arts and Sciences (The Academy) is one of the oldest learned societies in the United States. It was founded in 1780 during the American Revolution by John Adams, John Hancock, James Bowdoin, Andrew Oliver, and other ...

, the

National Academy of Sciences The National Academy of Sciences (NAS) is a United States nonprofit, NGO, non-governmental organization. NAS is part of the National Academies of Sciences, Engineering, and Medicine, along with the National Academy of Engineering (NAE) and the ...

, and the

American Philosophical Society The American Philosophical Society (APS) is an American scholarly organization and learned society founded in 1743 in Philadelphia that promotes knowledge in the humanities and natural sciences through research, professional meetings, publicat ...

. He died on April 26, 1997.

References

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External links

John D. Roberts and John W. Collette, "Howard Ensign Simmons, Jr.", Biographical Memoirs of the National Academy of Sciences (1999)
20th-century American chemists DuPont people 1929 births 1997 deaths National Medal of Science laureates People from Norfolk, Virginia American polymer scientists and engineers Massachusetts Institute of Technology alumni Scientists from Virginia Members of the American Philosophical Society {{US-chemist-stub