Marcel Grossmann

Marcel Grossmann (April 9, 1878 – September 7, 1936) was a Swiss mathematician who was a friend and classmate of Albert Einstein. Grossmann came from an old Swiss family in Zürich. His father managed a textile factory. He became a Professor of Mathematics at the Federal Polytechnic School in Zürich, today the ETH Zurich, specializing in descriptive geometry. Provided by Wikipedia