Fairground attraction: Shoot! Existential Photography exhibition – in pictures

Simone de Beauvoir, Jean-Paul Sartre, photo-shot, fairground at Porte d'Orléans, Paris, June 1929
Photograph: Jazz Editions/Gamma/Gamma-Rapho/Courtesy of The Photographers' Gallery, London

Berenice Abbott, Jean Cocteau, portrait, Paris, 1927
Photograph: Berenice Abbott/Commerce Graphics, Ltd Inc/Courtesy of The Photographers' Gallery, London

Jean-François Lecourt, shot into the camera, 1987
Photograph: Jean-François Lecourt/Courtesy of The Photographers' Gallery, London

Ria van Dijk, photo-shot, Oosterhout, Netherlands, 1978
Photograph: Erik Kessels/Courtesy Stedelijk Museum, Amsterdam/Courtesy of The Photographers' Gallery, London

Rudolph Steiner, pictures of me, shooting myself into a picture, 1997
Photograph: Rudolf Steiner/Courtesy of The Photographers' Gallery, London

Christian Marclay, stills from Crossfire, 2007 Photograph: Courtesy of the artist, White Cube and The Photographers' Gallery, London

Christian Marclay, stills from Crossfire, 2007 Photograph: Courtesy of the artist, White Cube and The Photographers' Gallery, London

Christian Marclay, stills from Crossfire, 2007 Photograph: Courtesy of the artist, White Cube and The Photographers' Gallery, London

Steven Pippin, 35mm Pentax camera shot in the side (with 9mm calibre), auto-portrait with two mirrors, 2010 Photograph: Courtesy of the artist and The Photographers' Gallery, London

Steven Pippin, DeVere 5x4 plate camera, auto-portrait, shot through the back (with 9mm calibre) using two mirrors, 2010 Photograph: Courtesy of the artist and The Photographers' Gallery, London