Paul Ditisheim

[1] The Ditisheims belonged to a group of industrialist families that were part of the Swiss watch industry at the time.

[3][4] Ditisheim studied at the Ecole Industrielle and the Horological School of La Chaux-de-Fonds.

[5] Paul Ditisheim developed a new generation of chronometers, improving them through his studies on the impact of atmospheric pressure and magnetic fields.

[citation needed] By 1903, his watches had won awards in the Kew and Neuchâtel Observatories contests.

Paul Ditisheim was still in Paris when France was invaded by the Germans during World War II.