Bayer was both a student and a teacher at the Bauhaus and worked in a wide range of fields including painting, sculpture, typography, advertising and architecture. In his early years as a student he studied painting with Kandinsky, but in just a short while he was teaching one of the Bauhaus' first classes on typography. The amount of work that he created before he was 28 was more notable than most designers entire careers of work. He spent time teaching at the Bauhaus, working as an Art Director for the Container Corporation and as an architect in both Germany and America.