Chancellor of Germany (1949–present) on the recommendation of the chancellor; no parliamentary approval is needed. According to the Basic Law, the chancellor may set the number of cabinet ministers and dictate their specific duties. Chancellor Ludwig Erhard had the largest cabinet, with 22 ministers, in the mid-1960s. Helmut Kohl presided over 17 ministers at the start of his fourth term in 1994; the 2002 cabinet, the second of Chancellor Gerhard Schröder, had 13 ministers, and the Angela Merkel cabinet as of 22 November 2005 had 15. Article 65 of the Basic Law sets forth three principles that define how the executive branch functions: Whenever
Mathematics in Nazi Germany would begin with a Nazi salute, a practice that Erich Hecke declined to implement in his classroom. Even before Hitler's rise to power, some mathematicians had already emigrated to the United States for various reasons. John von Neumann had taken a position at the California Institute of Technology in 1929 because he felt anti-semitism in Germany was effecting his career. By 1933, von Neumann had a position at Princeton; though he had maintained ties with Germany until then, he canceled his scheduled lectures in Berlin after Hitler became Chancellor. Other early emigrants from Germany included Theodor Estermann, Hans Freudenthal, Eberhard