The publisher of the online science salon Edge.org, John Brockman is the editor of the national bestsellers This Idea Must Die, This Explains Everything, This Will Make You Smarter, and other volumes.

David Colacci has been an actor and a director for over thirty years, and has worked as a narrator for over fifteen years. He has won AudioFile Earphones Awards, earned Audie nominations, and been included in Best of Year lists by such publications as Publishers Weekly, AudioFile magazine, and Library Journal.

Susan Ericksen lives on the East Coast, where she performs on stage and on television. An Audie Award and AudioFile Earphones Award winner, she has recorded many audiobooks.