[1] Hammer was a member of the state parliament in Hesse from 1946 to 9 December 1949.
In 1949 he was directly elected in Darmstadt with 36.8% of the valid votes cast, and in 1953 he entered parliament via the Hessian FDP state list.
Since 7 December 1949, he had been chairman of the Bundestag's Committee on Health Care.
Biographisches Handbuch der Mitglieder des Deutschen Bundestages.
This biography article about a member of the German Free Democratic Party (FDP) is a stub.