1914 to 1918 due to World War I.
             After World War I Mises returned to the University of Vienna and his position at the Austrian Chamber of Commerce. His next major thesis, Socialism, came in 1922. In 1934 Mises accepted a position as Professor of International Economic Relations at the Graduate Institute of International Studies, in Geneva, Switzerland. Even though he bad left Vienna to accept this position in Switzerland, Mises did work for the Austrian Chamber of Commerce on a part-time basis until Hitler's annexation of Austria in March 1938 (Mises Institute). On July 6, 1938 Ludwig von Mises married Margit Sereny in Geneva.
             Ludwig von Mises immigrated to the United States in 1940 arriving in New York on August 2. In the United States Mises taught as a Visiting Professor at the University of New York from 1945 to 1969. He also traveled to Central and South America giving lectures from 1942 to 1959. In 1949 Mises published his crowning achievement Human Action. This treatise summarized his thoughts on economics. Through out the rest of his life Mises received several distinguished awards. On October 10, 1973 Ludwig von Mises passed away at St. Vincent Hospital in New York City.
             Factors Influencing Ludwig von Mises Ideas
             The major influence on Ludwig von Mises ideas was the Austrian school of economic thought. The political and economic events that influenced Mises included two world wars and an extended worldwide depression. In the political turmoil after World War I, the main theoretician of the now socialist Austrian government was Marxist Otto Bauer. Mises had befriended Bauer during his school years and the two often discussed economics and politics. Mises explained economics to him night after night, eventually convincing him to back away from Bolshevik-style policies (Mises Institute). His actions kept Austria from following to the hyperinflation that the Germans experienced. The prevailing political cl...