Otto Eisler (1 June 1893 – 27 July 1968) was a Czech architect, noted for his contributions to International style in architecture. He was Jewish and is a survivor of the Auschwitz death camp.
Eisler was educated at the Deutsche Technische Hochschule Brünn over the course of ten years, with a likely interruption for military service during World War I. During his studies, he worked at studios in Vienna. Upon graduation, he worked in the architectural practices of Heinrich Tessenow and Walter Gro...