75 years of electron microscopy at TU Wien

The electron microscope was invented by Ernst Ruska in 1933 and commercially built under his supervision since 1939 by Siemens & Halske in Berlin. For his appointment at TU Wien (former TH Wien), Prof. Ulrich Hofman could order such a brand new instrument already in 1942 (serial number 25). In February 1945 the Siemens & Halske Übermikroskop 100 was dismantled and shipped to Strobl am Wolfgangsee. This way it was protected from being stolen by the red army seizing Vienna in March 1945. It was re-installed in 1946 and inaugurated by the federal president of Austria, Dr. Karl Renner.