Black and white photograph of Roger Hayward tracing a trajectory on the floor.

Black and white photograph of Roger Hayward tracing a trajectory on the floor.

Black and white photograph of Roger Hayward squatting, smoking a cigarette and tracing with his finger an enumerated trajectory that has been drawn on the floor.

Roger Hayward Papers

ca. 1940s

eng

hayward5.002.10-haywardtrajectory