Wu Yinxian Comrade Mao Zedong and Comrade Zhu De had a group photo with science and technical cadres in Yan'an Date 1943 Location China Yan'an Dimensions Image (Paper): 14 7/8 x 19 5/8 in. (37.8 x 49.8 cm) Print medium Photo-Gelatin silver Credit Line Gift of Wu Yinxian, 1988 Accession No. 219.1988
