When the Yalta accord was signed in 1945 , the Lenczowskis refused to serve in Stalin 's communist government in Poland and sought refuge in the United States . After a year of graduate study at Johns Hopkins University , and occasional work for the Foreign Broadcasting Division of the Department of State , Lenczowski found employment as instructor , and later assistant professor , at Hamilton College in New York State . It was here that he came to the attention of Peter Odegard , one of the pivotal figures of the discipline of political science of the time and chair of the Berkeley department . He became a U.S. citizen in 1951
Yalta accord
Yalta Conference
George Lenczowski