.mw-parser-output .hidden-begin{box-sizing:border-box;width:100%;padding:5px;border:none;font-size:95%}.mw-parser-output .hidden-title{font-weight:bold;line-height:1.6;text-align:left}.mw-parser-output .hidden-content{text-align:left}You can help expand this article with text translated from the corresponding article in German. (February 2016) Click [show] for important translation instructions. View a machine-translated version of the German article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Consider adding a topic to this template: there are already 8,935 articles in the main category, and specifying|topic= will aid in categorization. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing German Wikipedia article at [[:de:Howard E. Simmons]]; see its history for attribution. You should also add the template ((Translated|de|Howard E. Simmons)) to the talk page. For more guidance, see Wikipedia:Translation.
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". www.nasonline.org. Retrieved 2022-02-10.
  4. ^ "APS Member History". search.amphilsoc.org. Retrieved 2022-02-10.