Arnold Newman Ralph Gibson Mary Ellen Mark Peter C. Bunnell [Lecture poster for "Concerning Photography," Temple University, Philadelphia] Date ca. 1975 Dimensions Paper: 24 3/16 x 11 3/4 in. (61.4 x 29.8 cm) Print medium Print-Lithograph Credit Line Gift of Peter C. Bunnell, 2011 Accession No. 2011.68.1