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{{Other uses|Freudenberg (disambiguation){{!}}Freudenberg}}
⚫ '''Karl Johann Freudenberg''' ]<ref name="frs">{{cite doi|10.1098/rsbm.1984.0006}}</ref> (29 January 1886 ], ] - 3 April 1983 ]) was a German ] who did early seminal work on the absolute configurations to carbohydrates, terpenes, and steroids, and on the structure of cellulose (first correct formula published, 1928) and other polysaccharides, and on the nature, structure, and biosynthesis of ]. The Research Institute for the Chemistry of Wood and Polysaccharides at the University of Heidelberg was created for him in 1938, which he led until 1969.<ref>{{cite doi|10.1002/(SICI)1099-0690(199903)1999:3<707::AID-EJOC707>3.0.CO;2-R}}</ref>
{{Short description|German chemist (1886–1983)}}

⚫ '''Karl Johann Freudenberg''' {{post-nominals|post-noms=]}}<ref name="frs">{{Cite journal | last1 = Stevens | first1 = Thomas Stevens | doi = 10.1098/rsbm.1984.0006 | title = Karl Johann Freudenberg. 29 January 1886-3 April 1983 | journal = ] | volume = 30 | pages = 168–189 | year = 1984 | jstor = 769824| doi-access = free }}</ref> (29 January 1886 ], ] – 3 April 1983 ]) was a German ] who did early seminal work on the absolute configurations to carbohydrates, terpenes, and steroids, and on the structure of cellulose (first correct formula published, 1928) and other polysaccharides, and on the nature, structure, and biosynthesis of ]. The Research Institute for the Chemistry of Wood and Polysaccharides at the University of Heidelberg was created for him in the mid to late 1930s, and he led this until 1969.<ref>{{Cite journal | last1 = Weinges | first1 = K. | last2 = Plieninger | first2 = P. | doi = 10.1002/(SICI)1099-0690(199903)1999:3<707::AID-EJOC707>3.0.CO;2-R | title = Erinnerungen an Karl Johann Freudenberg (1886–1983) | journal = European Journal of Organic Chemistry | volume = 1999 | issue = 3 | pages = 707 | year = 1999 }}</ref>


==Life== ==Life==
Freudenberg studied at ] in 1904, and the ] from 1907 to 1910, where he studied with ]. In July 1910, he married Doris Nieden; they had five children.<ref>{{cite web|url=http://www.encyclopedia.com/doc/1G2-2830905120.html |title=Freudenberg, Karl Johann |publisher=Encyclopedia.com |date=1983-04-03 |accessdate=2011-10-14}}</ref> His grandfather Carl Johann Freudenberg was a tanner and businessman, who in 1849, with Heinrich Christian Heintze, founded ]. Freudenberg studied at ] in 1904, and the ] from 1907 to 1910, where he studied with ]. In July 1910, he married Doris Nieden; they had five children.<ref>{{cite web|url=http://www.encyclopedia.com/doc/1G2-2830905120.html |title=Freudenberg, Karl Johann |publisher=Encyclopedia.com |date=1983-04-03 |access-date=2011-10-14}}</ref> His grandfather Carl Johann Freudenberg was a tanner and businessman, who in 1849, with Heinrich Christian Heintze, founded ].


Freudenberg was a professor at ] in 1921, at ] in 1922, at ] from 1926 to 1956, and director of the Research Institute for Chemistry from 1936 to 1969.<ref>{{cite web|author=personenlexikon.net |url=http://www.personenlexikon.net/d/freudenberg-karl-johann/freudenberg-karl-johann.htm |title=Freudenberg, Karl Johann |publisher=Personenlexikon |date= |accessdate=2011-10-14}}</ref> Freudenberg was a professor at ] in 1921, at ] in 1922, at ] from 1926 to 1956, and director of the Research Institute at the University of Heidelberg, noted above, from 1936 to 1969.<ref>{{cite web|author=personenlexikon.net |url=http://www.personenlexikon.net/d/freudenberg-karl-johann/freudenberg-karl-johann.htm |title=Freudenberg, Karl Johann |publisher=Personenlexikon |access-date=2011-10-14}}</ref>


==Works== ==Works==
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{{Authority control}}
{{Persondata <!-- Metadata: see ]. -->
| NAME = Freudenberg, Karl
| ALTERNATIVE NAMES =
| SHORT DESCRIPTION = German chemist
| DATE OF BIRTH = 29 January 1886
| PLACE OF BIRTH =
| DATE OF DEATH = 3 April 1983
| PLACE OF DEATH =
}}
{{DEFAULTSORT:Freudenberg, Karl}} {{DEFAULTSORT:Freudenberg, Karl}}
] ]
] ]
] ]
] ]
] ]
] ]
] ]
]
]

Latest revision as of 08:58, 13 September 2024

For other uses, see Freudenberg. German chemist (1886–1983)

Karl Johann Freudenberg ForMemRS (29 January 1886 Weinheim, Baden – 3 April 1983 Weinheim) was a German chemist who did early seminal work on the absolute configurations to carbohydrates, terpenes, and steroids, and on the structure of cellulose (first correct formula published, 1928) and other polysaccharides, and on the nature, structure, and biosynthesis of lignin. The Research Institute for the Chemistry of Wood and Polysaccharides at the University of Heidelberg was created for him in the mid to late 1930s, and he led this until 1969.

Life

Freudenberg studied at Bonn University in 1904, and the University of Berlin from 1907 to 1910, where he studied with Emil Fischer. In July 1910, he married Doris Nieden; they had five children. His grandfather Carl Johann Freudenberg was a tanner and businessman, who in 1849, with Heinrich Christian Heintze, founded Freudenberg Group.

Freudenberg was a professor at University of Freiburg in 1921, at Heidelberg University in 1922, at Karlsruhe University from 1926 to 1956, and director of the Research Institute at the University of Heidelberg, noted above, from 1936 to 1969.

Works

  • Chemie der natürlichen Gerbstoffe (1920)
  • Stereochemie (1933)
  • Tannin, Cellulose, Lignin (1933)

References

  1. Stevens, Thomas Stevens (1984). "Karl Johann Freudenberg. 29 January 1886-3 April 1983". Biographical Memoirs of Fellows of the Royal Society. 30: 168–189. doi:10.1098/rsbm.1984.0006. JSTOR 769824.
  2. Weinges, K.; Plieninger, P. (1999). "Erinnerungen an Karl Johann Freudenberg (1886–1983)". European Journal of Organic Chemistry. 1999 (3): 707. doi:10.1002/(SICI)1099-0690(199903)1999:3<707::AID-EJOC707>3.0.CO;2-R.
  3. "Freudenberg, Karl Johann". Encyclopedia.com. 1983-04-03. Retrieved 2011-10-14.
  4. personenlexikon.net. "Freudenberg, Karl Johann". Personenlexikon. Retrieved 2011-10-14.
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