Edith Kroupa (1910–1991) was a research chemist who utilized microchemical analysis in the laboratory of Professor A. Franke at the University of Vienna.

[4][5][6] In 1934, Editha Karl-Kroupa Kroupa, who was an Austrian research chemist worked 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.

The couple embarked from Bremerhaven, Germany on 26 May 1953 aboard the USNS General Alexander M. Patch (T-AP-122) and traveled in Cabin Class.

They arrived in New York on 3 June 1953 and presented Austrian passports to US Customs officials.

[8] Kroupa worked as a chemist in the Inorganic Chemicals Research Division for the Monsanto Company, in Dayton, Ohio, where her research focused on phosphates.