Daniel Stone is an editor for National Geographic magazine, where he covers environmental science and agriculture. He has written about urban farming in Germany, aquaculture in Panama, and coffee innovation in Brazil, and he has circled the world on assignment for the magazine. Stone was formerly White House correspondent for Newsweek. He has a master's degree in environmental science from Johns Hopkins University. His book, The Food Explorer, on the botanical adventures of food spy David Fairchild, will be published by Dutton Books (Penguin Random House) in 2018.