Date of birth: 1825
Photographer, mountaineer and chemist of Strasbourg. In 1875 his photographs were sold in Berne and Geneva and he had his negatives printed in the laboratories of professionals Vollenweit based in Berne and Strasbourg. In 1898 his catalogue consisted of 1132 photos, and the pictures for sale mostly measured 13×17 cm. He maintained a regular correspondence with Vittorio Sella, with whom he constantly exchanged photgraphs.