Laurie Calkhoven is the author of many books, including George Washington: An American Life and Harriet Tubman: Leading the Way to Freedom. She lives in New York City. Visit her at LaurieCalkhoven.com.
The story of Jean Jennings, Kay McNulty, Frances Bilas, Ruth Lichterman, Betty Snyder, and Marlyn Wescoff, who were chosen to work on the ENIAC computer as part of a secret WWII mission.