Diether Posser

After serving in the military for the required time Posser studied law and became a lawyer in 1951.

In 1952 he founded, with the former Secretary of the Interior Gustav Heinemann (previously of the CDU), Hans Bodensteiner (from the CSU), Thea Arnold, Helene Wessel (both from the Zentrumspartei), Hermann Etzel (Bayernpartei), and the future President Johannes Rau the pacifist All-German People's Party, of which he was made General Secretary after the 1953 resignation of Bodensteiner.

After the party's collapse in 1957, he became a member of the SPD, for whom he joined the Landtag of North Rhine-Westphalia in 1966.

[1] He held this position until 1988 in the second and third cabinets of President Johannes Rau.

This biography article about a member of the Social Democratic Party of Germany (SPD) is a stub.