 Complete the following phrase:  The Ulams were a wealthy Polish Jewish family of bankers, industrialists, and other professionals. Ulams immediate family was well-to-do but hardly rich. His father, Józef Ulam, was born in Lwów and was a lawyer, and his mother, Anna née Auerbach, was born in Stryj. His uncle, Michał Ulam, was an architect, building contractor, and lumber industrialist. From 1916 until 1918, Józefs family lived temporarily in Vienna. After they returned, Lwów became the epicenter of the PolishUkrainian War, during which the city experienced 