Once upon a time, an author looking for information had to advertise in the paper. She or he would place a notice in the New York Review of Books or the Times Literary Supplement, saying that he or she was working on biography of so-and-so and would like to speak to anyone who knew him
Lewis Mumford appeared on the cover of TIME on 18 April 1938 (click here to view), after the publication of his first book on the city, The Culture of Cities. Read the review here. He published a second, The City in History, in 1961, reviewed in TIME with the title "Books: Necropolis Revisited" (read here).