Wilhelm Fröhlich

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Wilhelm Fröhlich as a teacher in Zezikon

Wilhelm Fröhlich (born November 21, 1892 in Buch near Happerswil / Switzerland; † October 21, 1969 in Kreuzlingen on Lake Constance) was a Swiss teacher. He became known through the invention of the Radiomann kit and other experimental kits (e.g. electrician, technician, optician + photo man, all chemist, micromann ). It was published by KOSMOS publishing house in Stuttgart. In 1957, the University of Bern awarded him an honorary doctorate for developing these experiment kits .

Fröhlich was a primary school teacher in Zezikon from 1911 to 1914 and a secondary teacher in Kreuzlingen from 1916 to 1958.

Wilhelm Fröhlich began years before 1920 to develop material and experiments for his lessons at the secondary school in Kreuzlingen that were suitable for student experiments in terms of price and usability. During a visit to Stuttgart in 1920 he agreed to work with the Kosmos teaching materials department, for which he put his devices in experiment boxes and wrote instructions for them. In doing so, he pursued two main goals:

  • make abstract material tangible through your own experiments ( work school ),
  • Provision of scientific equipment at a price that is affordable for “rural schools in the simplest of circumstances”.

The experiment kits, which were initially intended for use in school lessons, unexpectedly found their way into wealthy families. From 1930, the series of school experiment boxes in sturdy wooden boxes was supplemented by the simplified student / private boxes in the well-known and nicely illustrated cardboard boxes.

Web links

Example experiment kit from Dr.  hc Wilhelm Fröhlich
Experiment kit Chemistry Kosmos 1928