Françoise Poos is a curator at the National Audio Visual Centre, Luxembourg. Ellen Handy is Chair of the Photography Department, City College of the City University, New York. Gabriel Bauret is the author of books on Colour Photography, Alexey Brodovitch and Peter Knapp. He has been artistic director of Le Mois de la Photo, Paris. Ariane Pollet wrote her doctorate at the University of Lausanne on Steichen’s work at MoMA, New York. Antoinette Lorang received her doctorate at the University of Heidelberg.