March 1, 2002 Yesterday's News From the pages of the Harvard Alumni Bulletin and Harvard Magazine From The March-April 2002 Issue Published in the March-April 2002 print issue in the Alumni section. Most popular History of napalm origins at Harvard A new book traces napalm's invention to Harvard—and its evolution from heroic discovery to pariah In 2004, a frenzy spread across Harvard Yard in days. Four billion users later, we are only just catching up. All That’s Unseen charts the Harvard graduate’s uneasy journey from Appalachia to Cambridge and back. Explore More From Current Issue Tell us about how social media impacts your daily life. Alumni News David Battat promotes alumni engagement. Technology In 2004, a frenzy spread across Harvard Yard in days. Four billion users later, we are only just catching up.