Johnna Rizzo

Johnna Rizzo is a former staff writer at National Geographic magazine and an editor at National Geographic Books and the Smithsonian's Freer and Sackler galleries. She is a frequent contributor to National Geographic Kids , and has written for Scientific American , Newsweek , and The Washington Post . Rizzo is the author of Ocean Animals: Who's Who in the Deep Blue .

Johnna Rizzo is a former staff writer at National Geographic magazine and an editor at National Geographic Books and the Smithsonian's Freer and Sackler galleries. She is a frequent contributor to National Geographic Kids , and has written for Scientific American , Newsweek , and The Washington Post . Rizzo is the author of Ocean Animals: Who's Who in the Deep Blue . See less