Unknown, Allan Cree, Ken Newman, Henry Giclas, Clyde Tombaugh, Carl Otto Lampland, Beth Fisher, Earl C. Slipher, Vesto M. Slipher, and Clyde Fisher, 1932
Allan Cree, Ken Newman, Henry Giclas, Clyde Tombaugh, Carl Otto Lampland, Beth Fisher, Earl C. Slipher, Vesto M. Slipher, and Clyde Fisher (Director…