William Gurstelle, American writer and inventor

William Gurstelle is an American academic, nonfiction author, magazine writer, and inventor. He has been part of the History of Technology, Science, and Medicine program at the University of Minnesota since 2019. He is a feature columnist for Make magazine, a columnist and contributing editor at Popular Science magazine, and an occasional book reviewer for the Wall Street Journal. Previously, he was the Pyrotechnics and Ballistics Editor at Popular Mechanics magazine.

March 29 is the 88th day of the year in the Gregorian calendar; 277 days remain until the end of the year.