Editha Karl-Kroupa (1910-1991)

Summary

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.

Subject

• Karl-Kroupa, Editha
• University of Vienna
• Monsanto Company

Cite as

Smithsonian Institution Archives, Accession 90-105, Science Service Records, Image No. SIA2008-4975

Repository Loc.

Smithsonian Institution Archives Capital Gallery, Suite 3000, MRC 507; 600 Maryland Avenue, SW; Washington, DC 20024-2520

Date

1934

Restrictions & Rights

• No access restrictions Many of SIA's holdings are located off-site, and advance notice is recommended to consult a collection. Please email the SIA Reference Team at osiaref@si.edu
• Copyright Not Evaluated

Topic

• Chemistry
• Women scientists

Form/Genre

Black-and-white photographs

Local number

SIA Acc. 90-105 [SIA2008-4975]

Physical description

Gelatin silver prints

Full Record

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