* 1902 in Basel
† 1993 in Basel
- studied at the Swiss Federal Institute of Technology Zurich, including under Karl Moser, one of the fathers of modern construction in Switzerland; 1927 Diploma
- 1927–1930 worked in the offices Artaria/Schmidt, Basel, and Rudolf Steiger, Zurich
- until 1932 study trips to England and the USA
- from 1933 freelance architect in Basel in a joint office with his brother Walter Senn; housing estates, industrial buildings, residential buildings
- 1950 development plan for the Gellert site, Basel
- 1962–1965 high-rise Hechtliacker, Basel