A selection of some of the finest and most personal photographs ever made by Elliott Erwitt, the esteemed photojournalist whose images are known the world over, will be shown this summer in the exhibition 'Elliott Erwitt: Unseen.' Comprised of a collection of largely unseen works and drawn from his two latest monographs, the exhibition will feature the photographs which the artist considers his 'personal best': the previously unpublished masterworks of a landmark photographer. In a career that…