Käthe Leichter was killed by the Gestapo in 1942

Evidence

(In 1938 she fell into the hands of the Gestapo in Vienna. She was killed in 1942 in a cattle truck in transit from Ravensbrück concentration camp near Magdeburg, in an `experimental gassing’ of 1500 Jewish women by their SS escort.) — Rolf Wiggershaus, The Frankfurt School, 562

Categorization

• XREF: The fate of the Institute’s collaborators parallels the real-world devastation that the later dialectic-of-enlightenment pessimism is reacting to — a biographical counterweight to theory.