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Editha Karl-Kroupa

Science Service
Editha Karl-Kroupa
Data Source:
Smithsonian Institution Archives
Austrian research chemist Editha Karl-Kroupa (1910-1991), 1934. The caption on this photograph, dated September 18, 1934, reads: "While revolution upset Vienna, Miss Edith Kroupa, research chemist working with a new method of microchemical analysis in the laboratory of Prof. A. Franke at the University of Vienna, analyzed a sample of radioactive rock from near Winnipeg, Canada," determining it to be over 1,725,000,000 years old. Earlier that same year, Kroupa and her colleague Friedrich Hecht had discovered triple-weight hydrogen. She emigrated to the United States in the 1950s and worked as an chemist for the Monsanto Company, Dayton, Ohio, where her research focused on phosphates.
Cite As:
Acc. 90-105 - Science Service, Records, 1920s-1970s, Smithsonian Institution Archives
Chemistry, Women scientists
Karl-Kroupa, Editha, University of Vienna
Black-and-White Prints
Local Number:
SIA Acc. 90-105 [SIA2008-4975]
Full Record:!siarchives&uri=full=3100001~!297365~!0#focus
Editha Karl-Kroupa, 1934, Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-4975].

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