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'''Louis Plack Hammett''' (April 7, 1894 – February 9, 1987) was an American [[physical chemist]]. He is known for the [[Hammett equation]], which relates [[reaction rate]]s to [[equilibrium constant]]s for certain classes of organic reactions involving [[substitution (chemistry)|substituted]] [[aromatic]] compounds. He is also known for his research into [[superacids]] and his development of a scheme for comparing their acidities based on what is now known as the [[Hammett acidity function]]. The [[Curtin–Hammett principle]] bears his name.
'''Louis Plack Hammett''' (April 7, 1894 – February 9, 1987) was an American [[physical chemist]]. He is known for the [[Hammett equation]], which relates [[reaction rate]]s to [[equilibrium constant]]s for certain classes of organic reactions involving [[substitution (chemistry)|substituted]] [[aromatic]] compounds. He is also known for his research into [[superacids]] and his development of a scheme for comparing their acidities based on what is now known as the [[Hammett acidity function]]. The [[Curtin–Hammett principle]] bears his name.


The awards he obtained included the [[Priestley Medal]] in 1961,the [[Willard Gibbs Award]] in 1961,<ref>[http://chicagoacs.org/content.php?page=Willard_Gibbs_Award American Chemical Society - Chicago Section]</ref> the [[National Medal of Science]] in 1967, and in 1975 the [[Barnard Medal for Meritorious Service to Science]].
The awards he obtained included the [[Priestley Medal]] in 1961, the [[Willard Gibbs Award]] in 1961,<ref>[http://chicagoacs.org/content.php?page=Willard_Gibbs_Award American Chemical Society - Chicago Section]</ref> the [[National Medal of Science]] in 1967, and in 1975 the [[Barnard Medal for Meritorious Service to Science]].


Hammett grew up in [[Portland, Maine]], and studied in Harvard and Switzerland. He earned his Ph.D. at [[Columbia University]]. He authored an influential textbook on [[physical organic chemistry]],<ref>Hammett, Louis P. (1940) ''Physical Organic Chemistry'' New York: McGraw Hill.</ref> and is credited with coining the term.
Hammett grew up in [[Portland, Maine]], and studied in Harvard and Switzerland. He earned his Ph.D. at [[Columbia University]]. He authored an influential textbook on [[physical organic chemistry]],<ref>Hammett, Louis P. (1940) [https://archive.org/details/in.ernet.dli.2015.168388/page/n5/mode/2up ''Physical Organic Chemistry''] New York: McGraw Hill. (Link added 15 May 2024)</ref> and is credited with coining the term.


==References==
==References==
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*Hammond, George S. (1997) ''[http://www.iupac.org/publications/pac/1997/pdf/6909x1919.pdf Physical organic chemistry after 50 years: It has changed, but is it still there?]'' [[IUPAC]] V9. 69, No. 9, pp.&nbsp;1919–1922.
*Hammond, George S. (1997) ''[http://www.iupac.org/publications/pac/1997/pdf/6909x1919.pdf Physical organic chemistry after 50 years: It has changed, but is it still there?]'' [[IUPAC]] V9. 69, No. 9, pp.&nbsp;1919–1922.
*Westheimer, F. H. (1997) ''[http://books.nap.edu/html/biomems/lhammett.html Biographical Memoirs]'' V72, pp.&nbsp;136–149.
*Westheimer, F. H. (1997) ''[http://books.nap.edu/html/biomems/lhammett.html Biographical Memoirs]'' V72, pp.&nbsp;136–149. [https://web.archive.org/web/20030703083530/http://books.nap.edu/html/biomems/lhammett.html Archived] [https://www.nasonline.org/publications/biographical-memoirs/memoir-pdfs/hammett-louis-p.pdf PDF Version] (Archived and PDF Links added 15 May 2024)
*Young, Robin V., Sessine, Suzanne (1999) ''[http://www.bookrags.com/biography/louis-hammett-woc/ World of Chemistry]'' Thomson Gale.
*Young, Robin V., Sessine, Suzanne (1999) ''[http://www.bookrags.com/biography/louis-hammett-woc/ World of Chemistry]'' Thomson Gale.


Latest revision as of 12:33, 15 May 2024

Louis Plack Hammett
Born7 April 1894
Died9 February 1987 (1987-02-10) (aged 92)
Alma materColumbia University (Ph.D)
Known forHammett equation
AwardsWilliam H. Nichols Medal (1957)
Priestley Medal (1961)
Willard Gibbs Award (1961)
National Medal of Science (1967)
Barnard Medal for Meritorious Service to Science (1975)
Scientific career
FieldsPhysical Chemistry

Louis Plack Hammett (April 7, 1894 – February 9, 1987) was an American physical chemist. He is known for the Hammett equation, which relates reaction rates to equilibrium constants for certain classes of organic reactions involving substituted aromatic compounds. He is also known for his research into superacids and his development of a scheme for comparing their acidities based on what is now known as the Hammett acidity function. The Curtin–Hammett principle bears his name.

The awards he obtained included the Priestley Medal in 1961, the Willard Gibbs Award in 1961,[1] the National Medal of Science in 1967, and in 1975 the Barnard Medal for Meritorious Service to Science.

Hammett grew up in Portland, Maine, and studied in Harvard and Switzerland. He earned his Ph.D. at Columbia University. He authored an influential textbook on physical organic chemistry,[2] and is credited with coining the term.

References

[edit]
  1. ^ American Chemical Society - Chicago Section
  2. ^ Hammett, Louis P. (1940) Physical Organic Chemistry New York: McGraw Hill. (Link added 15 May 2024)

Further reading

[edit]


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