Joel L. Swerdlow is an author, editor, journalist, researcher, and educator who has written eight books, among them Code Z, Media Technology and the Vote: A Source Book, and To Heal a Nation: The Story of the Vietnam Veterans Memorial, which he co-authored with Vietnam veteran Jan Scruggs and which became a 1988 NBC movie. His most recent work is Nature's Medicine: Plants That Heal: A chronicle of mankind's search for healing plants through the ages (National Geographic Books, 2000).
As a journalist, Swerdlow covered the White House and the Watergate conspiracy trial for National Public Radio and worked for 10 years as a senior writer and editor at National Geographic. He has taught at Georgetown University and Johns Hopkins University, and is currently an adjunct professor at the Washington, D.C. campus of the University of Texas.