Notebook 1 · Lwów
Timeline: from 1909 to 1935
Ulam in Lwów, 1909 to 1935
The first twenty-six years, in the order they happened.
1909
Born in Lemberg
Born on 13 April 1909 in Lemberg (Polish Lwów), in Austrian Galicia.
1927
Enters the Polytechnic
Starts electrical engineering at the Lwów Polytechnic and takes Kuratowski's set theory course.
1929
First papers
His first two papers solve problems Kuratowski had posed in lectures.
1930
Improves a result of Banach
Proves a 1929 measure theory result of Banach without the Generalised Continuum Hypothesis.
1933
Doctorate
Doctoral thesis at the Lwów Polytechnic, under Kuratowski.
1935
Invitation to Princeton
John von Neumann invites him to the Institute for Advanced Study.