Harry Steenbock [SEP] educated at
Harry Steenbock
Harry Steenbock (August 16, 1886, Charlestown, Wisconsin – December 25, 1967, Madison, Wisconsin) was a Professor of Biochemistry at the University of Wisconsin–Madison. Steenbock graduated from Wisconsin in 1916, where he was a member of Phi Sigma Kappa fraternity.
Vitamin D.
Steenbock was born in Charlestown, Wisconsin and grew up on a model farm outside New Holstein, Wisconsin. His graduate advisor at the University of Wisconsin–Madison, was Edwin B. Hart. His first publication reported the
led to the isolation and characterization of vitamin D. At this time, the policy of the Medical Research Council was not to patent discoveries, believing the results of medical research should be open to everybody. In the 1930s, Windaus clarified further the chemical structure of vitamin D.
In 1923, American biochemist Harry Steenbock at the University of Wisconsin demonstrated that irradiation by ultraviolet light increased the vitamin D content of foods and other organic materials. After irradiating rodent food, Steenbock discovered the rodents were cured of rickets. A vitamin D deficiency