Description: In the U.S. Department of Agriculture (USDA) Office of Exhibits, Margaret Jane Russell Roller (1888-1973) had begun to specialize in fabricating lifelike wax models of food and animals.
Description: Everyone loves a parade – especially one followed by a banquet. When scientists and politicians met in Washington, D.C., on November 23, 1936, to celebrate the centennial of the U.S. patent system, they listened first to a conventional program of speeches. Then, in the afternoon, Science Service director Watson Davis arranged something different: a “Research Parade” featuring