Willy Kreuer was a Modernist German architect. Kreuer was active in Koln from 1928 to 1937. Later he began working in Berlin. From 1949-1952 he was an assistant at the Chair of Urban Design of the Technical University of Berlin. A significant Berlin competition in which he took part, was the competition to the main building (headquarters) of Berliner Bank (1951. With Fritz Bornemann he collaborated in the America Memorial Library.