Karl August Folkers | |
|---|---|
 Karl August Folkers | |
| Born | (1906-09-01)September 1, 1906 |
| Died | December 7, 1997(1997-12-07) (aged 91) |
| Known for | vitamin B12 |
| Awards | ACS Award in Pure Chemistry (1941) Perkin Medal (1960) William H. Nichols Medal (1967) Welch Award (1972) Priestley Medal (1986) National Medal of Science (1990) |
| Scientific career | |
| Fields | Biochemistry |
| Institutions | Merck University of Texas at Austin |
Karl August Folkers (September 1, 1906 – December 7, 1997) was an Americanbiochemist who made major contributions to the isolation and identification of bioactivenatural products.[2][1]
Folkers graduated from the College of Liberal Arts and Sciences at theUniversity of Illinois in 1928. In 1986, the institution awarded him its Alumni Achievement Award.[3]
His career was mainly spent atMerck. He played a prominent role in the isolation ofvitamin B12 in 1947, which is one of the most structural complex of the vitamins.[4] As a Merck Pharmaceuticals research team, Folkers,Fern P. Rathe, and Edward Anthony Kaczka were the first to isolate the antibioticcathomycin in 1955.[5] His team also isolated the antibioticcycloserine.[6] In 1958 his Merck team determined the structure ofcoenzyme Q10.[7]
He later served as director of the Institute of Biomedical Research at theUniversity of Texas at Austin, where he was also Ashbel Smith Professor of Chemistry.[3]
In recognition for his scientific contributions, he received thePerkin Medal in 1960,[8] theWilliam H. Nichols Medal in 1967,[9] thePriestley Medal in 1986, and theNational Medal of Science in 1990.
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