Edward Jump was a French-American artist popular for his drawings and sketches in the United States during the mid-19th Century.
St. Louis's first Veiled Prophet Parade, drawn by Jump, 1878. The Old Courthouse (St. Louis), is at the right.
Samuel Clemens, age 15 holding metal type in a composing stick that spells out his first name. As a daguerreotype, whose creation involved no intermediate negative, the image is laterally reversed. Hence the type, which, in actuality, was backward, is readable, though Twain himself is flipped.
(From l. to r.) American Civil War correspondent and author George Alfred Townsend, Mark Twain and David Gray, editor of the rival Buffalo Courier