Leo Gross (April 6, 1903 in Krosno, Galicia - November 8, 1990 in Cambridge, Massachusetts) was an Austrian - American lawyer of Jewish descent.
Gross was born in 1903 in the town of Krosno in Galicia, then in Austria-Hungary, and graduated from the University of Vienna to study political science, international law and economy.
After the seizure of power by the National Socialists, Kelsen was suspended from his professorship in Cologne because of his Jewish ancestry and emigrated to Switzerland in April 1933.
[2] There, he worked as a manager of the Department of International Relations until 1940, when he emigrated to the United States via Vichy, Pau, Madrid and Lisbon because of the start of World War II.
[3] He was married to a Viennese artist, Gerda Fried, who gave birth to twin daughters Elisabeth and Marilyn in the United States.