Gerhard Jahn (10 September 1927 – 20 October 1998) was a German politician and a member of the Social Democratic Party of Germany (SPD).

His mother, a German Jew, had been banned from her medical occupation since the Nazi take-over, and lost her and the children's home during a bombing raid in 1943.

In the same year, he joined the Social Democratic Party of Germany (SPD), and became an active member while at the university.

This Fristenregelung was passed by parliament but was later held up by the Constitutional Court, so that Jahn's position eventually prevailed.

[2] Jahn was founding chairman of the German-Israeli Society (Deutsch-Israelische Gesellschaft) in 1966,[3] and president of the German Lessee Union (Deutscher Mieterbund) from 1979 to 1995.

[4] After Jahn left his position of Minister of Justice, he continued to work in the parliamentary committees, and became the managing director of the SPD-fraction.

[5][6] As a result, for the first time in human history, a World Constituent Assembly convened to draft and adopt the Constitution for the Federation of Earth.