Joshua Brown is Executive Director of the American Social History Project/Center for Media and Learning at The Graduate Center, City University of New York. He is coauthor of the interactive CD-ROMs Who Built America? From the Great War of 1914 to the Dawn of the Atomic Age (2000) and Who Built America? From the Centennial Celebration of 1876 to the Great War of 1914 (1993), and visual editor of the groundbreaking Who Built America? textbook (1990, 2000), in addition to his many other documentaries, digital programs, essays, illustrations, and cartoons.