Chris Johns, former editor in chief of
National Geographic magazine, was named Newspaper Photographer of the Year in 1979 while a staff photographer for
The Topeka Capital-Journal. Before joining
National Geographic in 1995 and becoming senior editor of illustrations in 2001, he worked as a freelance photographer for
Life,
Time,
and
National Geographic. The author of
Valley of Life: Africa's Great Rift,
he lives with his family on a farm in Virginia's Blue Ridge Mountains.
Elizabeth Carney is a writer and editor based in Brooklyn, New York. She specializes in nonfiction children's books and science, math, and STEM-related magazines. Her author credits include Everything Big Cats; Everything Dolphins; Great Migrations: Whales, Wildebeests, Butterflies, Elephants, and Other Amazing Animals on the Move; and several titles in the National Geographic Face to Face and Readers series.