Adam Ulam
Adam Bruno Ulam (8 April 1922 – 28 March 2000) was a Polish-American historian of Jewish descent and political scientist at Harvard University. Ulam was one of the world's foremost authorities and top experts in Sovietology and Kremlinology, he authored multiple books and articles in these academic disciplines. Biography Adam B. Ulam was born on April 8, 1922, in Lwów, then a major city in Poland, now Lviv in Ukraine, to the parents of a wealthy well-assimilated Jewish family. After graduating from high school, on or around August 20, 1939, his 13-years-older brother Stanisław Ulam, a famous mathematician and key contributor to the Manhattan Project, took him to the United States to continue his education. Their father had, at the last minute, changed their departure date from September 3 to August 20, most likely saving Adam's life since on September 1 the Second World War began, with Nazi Germany's invasion of Poland. Apart from the brothers Ulam, all other family members who remained in Poland were murdered in the Holocaust. Adam had United States citizenship by 1939, and tried to enlist in the US army twice after the United States entered the war, but was rejected at first for having