Who was elected elected President of Germany in 1925 and whose death led to the referendum on merging the posts of Chancellor and President?
Paul von Hindenburg Paul Ludwig Hans Anton von Beneckendorff und von Hindenburg (   ), known generally as Paul von Hindenburg (] ; 2 October 1847 – 2 August 1934) was a German military officer, statesman, and politician who largely controlled German policy in the second half of World War I and served as the elected President of Germany from 1925 until his death in 1934. He played the key role in the Nazi "Seizure of Power" in January 1933 by appointing Adolf Hitler chancellor of a "Government of National Concentration", even though the Nazis were a plurality in cabinet.
Otto Meissner Otto Lebrecht Eduard Daniel Meissner (13 March 1880, Bischwiller, Alsace – 27 May 1953, Munich) was head of the Office of the President of Germany during the entire period of the Weimar Republic under Friedrich Ebert and Paul von Hindenburg and, finally, at the beginning of the Nazi government under Adolf Hitler.