How did a military map-maker become the Master of the Bauhaus Theatre? We trace the diagrammatic evolution of Oskar Schlemmer, exploring his Figure in Space, the Slat Dance, and his lifelong quest to codify the human form within a "sphere of ideas."

From mapping the soul to regulating marriage, the medieval diagram was an essential tool for thought. This post explores the incredible variety of these visual systems—from the Zodiac Man to the Guidonian Hand—before a deep dive into the strange and beautiful work of Opicinus de Canistris, a cleric whose visionary drawings combined scientific maps with divine revelations.