The term was popularized in the 1991 book Edge City: Life on the New Frontier by Joel Garreau, who established its current meaning while working as a reporter for the Washington Post. Figure 2: Renaissance ideal cities inspired by Vitruvius (15th-16th c.) 1. Filarete, 2. Fra Giocondo, 3. Girolamo Maggi, 4. Giorgio Vasari, 5. Antonio Lupicini, 6. Daniele Barbaro, 7. Pietro Cattaneo, 8/9 di Giorgio Martini. Following «Day of Chaos», the regular military (particularly the Space Corps) have been helping to keep order in Mega-City One.