Meet Christopher G. Knight

Christopher Knight is a photographer whose work has appeared in National Geographic, among other publications. He has also produced films ranging from a theatrical feature starring Joan Baez to TV programs on aging, sailing, bald eagles, and a solo canoe voyage to the Arctic Ocean. Many of his films have appeared on the PBS Adventure and Nova series. Mr. Knight lives with his wife, the author Kathryn Lasky, in Cambridge, Massachussetts.