Joachimsthalsches Gymnasium alumni

Erwin Planck (12 March 1893 – 23 January 1945) was a German politician, and a resistance fighter against the Nazi regime.

Ernst Wolf Alexander Oskar Harnack (15 July 1888 – 5 March 1945), granted the title von Harnack in 1914, was an official of the Prussian provincial government, a German politician, and a German Resistance fighter. He was arrested, tried and executed in March 1945 at Plötzensee Prison for political opposition to the Nazi Party.