German politician as a member of the Social Democratic Party of Germany (SPD). He served as the Governing Mayor of Berlin (i.e. West Berlin) from 1955 until his death.
Suhr joined the SPD and from 1922 worked as a secretary at the Allgemeiner Deutscher Gewerkschaftsbund trade unions’ association in Kassel and was a member of the local SPD executive committee under Philipp Scheidemann. He received his doctorate in 1923 and from 1925 taught economics at the University of Jena. In 1926 he joined the board of the Allgemeiner freier Angestelltenbund (General Free Federation of Employees) in Berlin, which had to dissolve in the course of the Nazi Machtergreifung of 1933 and the succeeding Gleichschaltung process. From 1935 Suhr worked as a journalist at the Frankfurter Zeitung and other newspapers. He remained in contact with Social Democratic members of the German resistance like Adolf Grimme and had to face several interrogations by the Gestapo.
After World War II he played a vital role in re-organizing the Berlin SPD chapter as chairman of the party’s state association. From 1946 Suhr was president of the Berlin Stadtverordnetenversammlung city assembly, and from 1951 until 1954 also of its successor, the Abgeordnetenhaus of Berlin. He had to cope with the forceful SED merger of Social Democrats and Communists in the Soviet occupation zone and East Berlin, the Berlin Blockade and the final division of the city, when the assembly was compelled to move into the Rathaus Schöneberg in the American sector.
In 1948/49 Suhr was a deputy at the Herrenchiemsee conventionand the Parlamentarischer Rat (parliamentary council) to draft a new German constitution. After ratification of the Basic Law (Grundgesetz) in 1949 he was elected as a deputy to the Bundestag federal parliament of West Germany in Bonn, until he resigned his seat in 1952. Suhr lectured as an honorary professor at the Free University of Berlin (FU) and re-established the private Deutsche Hochschule für Politik academy, the biggest and one of the most important institute for political science in Germany, which he led from 1948 to 1955
He died 30 August 1957.

Link to Wikipedia biography