From the description of Papers, 1ca. 1961-2007. (Indiana University). WorldCat record id: 144611745
A native of Brooklyn, New York, Juster received a Bachelor of Architecture degree from the University of Pennsylvania in 1952. Juster taught at the Pratt Institute in Brooklyn and Hampshire College in Amherst, Massachusetts and holds the title of Professor Emeritus of Design from the latter. As an architect, he practiced in various firms, including one that he established, from 1960 to 1999. While Juster has retired from architecture, he continues to write and is the author of several acclaimed novels, primarily for children.
From the guide to the Juster mss., 1961-2007, (Lilly Library (Indiana University, Bloomington) http://www.indiana.edu/~liblilly)