Martha Ackmann tells dynamic stories of American women who've broken barriers, fought against the status quo, dreamed big dreams, and changed America. She is the author of "Curveball: The Remarkable Story of Toni Stone, the First Woman to Play Professional Baseball in the Negro League" and "The Mercury 13: The True Story of Thirteen Women and the Dream of Space Flight." Martha's talks have inspired audiences from scientists at Kennedy Space Center to women baseball players from the hit movie, "A League of Their Own." She has appeared on the "Today" show, CBS, CNN, the BBC and NPR. Her columns on politics, women's history, sports and aviation have appeared in many publications, including "The New York Times," the "Los Angeles Times," the "Chicago Tribune" and Salon.com.Website: http://www.marthaackmann.comFacebook: http://www.facebook.com/pages/Martha-Ackmann/114791261899290 Twitter: http://twitter.com/marthaackmann