Marinus Grenpré Molière studied at the Technical University of Delft and collaborated with Jos Klijnen. They had great influence on Dutch urban building and both belonged to the Rotterdam functionalists. Grandpré Molière is generally regarded as a pioneer of the Organic City and a representative of the Rotterdam avant-garde in the 1920s. He was the founder of the Delftse School. In 1916 he installed an architectural office together with Pieter Verhagen. This office quickly grew to become the leading urban planning office.