Stephen Koschal ~ Quality Autographs & Signed Books
Serving Collectors, Libraries, Institutions, Autograph Galleries and Dealers with
Autographs and Signed Books in all Fields of Collecting Since 1967.

7155 Sand Crest View, Colorado Springs, CO 80923 USA ~ Phone (561) 315-3622 ~ skoschal@aol.com

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Discovered Sexual Hormones in 1938

HOHLWEG, Walter  (1902-1992). German scientist who discovered sexual hormones in 1938. The Walter Hohlweg Prize is awarded biennially by the German Society for Gynecology and Obstetrics.  Fine, scarce signature as “Prof. Walter Hohlweg” on a Saluting Our Public Hospitals First Day Cover.  Public Hospitals 22 cent stamp canceled New York, April 11, 1986............ $37.50











 


Stephen Koschal ~ Quality Autographs & Signed Books
Serving Collectors, Libraries, Institutions, Autograph Galleries and Dealers with
Autographs and Signed Books in all Fields of Collecting Since 1967.

7155 Sand Crest View, Colorado Springs, CO 80923 USA ~ Phone (561) 315-3622 ~ skoschal@aol.com