It was 7:30 in the evening on Wednesday, March 9, 1955. Television sets were tuned to the ABC network. Onto the screen flashed the now familiar picture of Sleeping Beauty's castle while the announcer proclaimed that this was "Walt Disney's Disneyland." "Each week as you enter this timeless land," he intoned, "one of these many worlds will be open to you: Advent ureland: the wonder world of nature's own realm; Fantasyland: the happiest kingdom of them all; Frontierland: tall tales and true of the legendary past; Tomorrowland: promise of things to come. And now, from Tomorrowland, we present the first of our science factual programs — 'Man In Space.' […]