Otto Folin

Otto Folin
Otto Folin in biochemistry lab at McLean Hospital, 1905; photo by A.H. Folsom (Harvard)
Born(1867-04-04)April 4, 1867
Åseda, Småland, Sweden
DiedOctober 23, 1934(1934-10-23) (aged 67)
EducationUniversity of Minnesota, Uppsala University, University of Chicago (PhD)
Known forFolin-Ciocalteu reagent for detecting polyphenols
Scientific career
FieldsBiochemist
InstitutionsUppsala University, Pathological Institute of Charité; West Virginia University; McLean Hospital, Boston; Harvard Medical School
Doctoral advisorJulius Stieglitz
Doctoral studentsEdward Adelbert Doisy
George H. Hitchings
James Batcheller Sumner

Otto Knut Olof Folin (April 4, 1867 – October 25, 1934) was a Swedish-born American chemist who is best known for his groundbreaking work at Harvard University on practical micromethods for the determination of the constituents of protein-free blood filtrates and the discovery of creatine phosphate in muscles.