Henry B. Hill

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Henry B, Hill

Henry Barker Hill (born April 27, 1849 in Waltham , Massachusetts , † April 6, 1903 ) was an American chemist at Harvard University .

Henry Barker Hill was the son of the Unitarian clergyman and mathematician Thomas Hill (1818-1891), who was President of Harvard University from 1862 to 1868. Henry Hill studied at Harvard College from 1865 , graduated in 1869 and then studied for a year with August Wilhelm von Hofmann in Berlin . From 1870 Hill was - despite a relatively incomplete education - lecturer at Harvard University, from 1874 assistant professor , from 1884 full professor. In 1891 he gave lectures in organic chemistry at the Massachusetts Institute of Technology . When Josiah Parsons Cooke died in 1894, Hill took over the management of the chemical laboratories at Harvard University, while Charles Loring Jackson took over the overall management of the chemistry department. Hill made a contribution to the modernization of the laboratories, whose capacity he expanded from 40 to more than 700 students.

Hill discovered furfural (= furfural ) and subsequently dealt with the derivatives of this substance, including pyrocucic acid , mucobromic acid and mucochloric acid . He later discovered nitromalonaldehyde , which led him to a series of syntheses of the benzene ring . Shortly before his death he was still working on derivatives of pyrazole . Hill was involved in the discovery of confectionery stretching and bleaching, and advised a manufacturer of ink .

In 1875 Hill was elected to the American Academy of Arts and Sciences , in 1883 to the National Academy of Sciences . He was also a member of the New York Academy of Sciences , the American Chemical Society and the German Chemical Society .

Henry Barker Hill was married to Ellen Grace Shepard since 1871, the couple had a son, the composer Edward Burlingame Hill (1872-1960).

literature

Web links

Commons : Henry Barker Hill  - Collection of Pictures, Videos and Audio Files

Individual evidence

  1. ↑ Book of Members 1780 – present, Chapter H. (PDF; 1.2 MB) In: American Academy of Arts and Sciences (amacad.org). Retrieved May 17, 2018 .
  2. ^ Henry Hill. In: nasonline.org. Retrieved May 17, 2018 .
personal data
SURNAME Hill, Henry B.
ALTERNATIVE NAMES Hill, Henry Barker
BRIEF DESCRIPTION American chemist
DATE OF BIRTH April 27, 1849
PLACE OF BIRTH Waltham , Massachusetts
DATE OF DEATH April 6, 1903