Group self-portrait of five photographers on the roof of Colonel Marceau's photography studio, New York, December 1920. Pictured are, from left, Joseph ('Uncle Joe') Byron (fore, left hand on camera), Pirie MacDonald (second left, in hat), Colonel Marceau and Pop Core (both hidden, and Joseph ('Uncle Joe') Byron (fore, left hand on camera), Pirie MacDonald (second left, in hat), Colonel Marceau and Pop Core (both hidden, and Ben Falk. Byron and Falk each hold a side of the camera. (Photo by Byron Company/Museum of the City of New York/Getty Images)
