Description: A daily photo highlight from Smithsonian collections. [caption id="" align="aligncenter" width="255" caption="Major John Wesley Powell (1834-1902) seated, side view looking from his left, middle-aged, c. 1879, by Unknown photographer, Photographic print, Smithsonian Institution Archives, Record Unit 95, Box 18, Folder 57a, Negative number: 10592."][/caption]