OSTROLENK, BERNHARD (1887–1944), U.S. economist. Ostrolenk, who was born in Warsaw, received his early schooling in Berlin, and was taken to the United States in 1897. After holding several teaching posts, he became professor of economics at the School of Business and Civic Administration at the City College of New York where he taught until his death. He also wrote for many magazines including Current History and Business Week. His major publications include: Economic Geography (1941); The Surplus Farmer (1932); and The Economics of Branch Banking (1930). His main interests were scientific farming and the economic problems of agriculture. During World War II, he became interested in immigration problems and the Zionist movement.