Max Pestalozzi
Max Pestalozzi was a Swiss chess master.
Son of Adolf Salomon, banker, and Magdalena Berta Schulthess. He was a mathematician until 1889. From 1889 to 1921 he worked for the Swiss Railways. He was co-founder and first president of the Schachgesellschaft Zürich, the oldest chess club in the world.
He was joint Swiss champion in 1889, 1890 and 1901, and defeated Dietrich Duhm in 1900.