Harvey Thommasen,is a physician, researcher and naturalist whose previous books include Grizzlies and White Guys: The Stories of Clayton Mack, Bella Coola Man: More Stories of Clayton Mack and River of the Angry Moon with Mark Hume. Thommasen began taping Clayton Mack's stories during morning rounds at the Bella Coola Hospital. Thommasen makes his home in Bella Coola with his wife and two children.