Joseph D'Agnese is a longtime journalist, editor of educational materials for children, and book author. In the field of journalism, he has written for such publications as The New York Times, The Wall Street Journal, the science magazine, Discover, and the food magazine, Saveur. His work has appeared in the prestigious anthology, Best American Science Writing two years in a row. He worked for Scholastic Magazines, where he was editor of the grade school magazine, DynaMath. His books for adults include Signing Their Lives Away, a state-by-state guide to the 56 men who signed the Declaration of Independence.