David Gerrold is the author of numerous television episodes including the legendary “Trouble With Tribbles” episode of “Star Trek.” He has also written for “Land of the Lost,” “Babylon 5,” “Twilight Zone,” “Sliders” and other series. He has published 45 books, including two on television production. He taught screenwriting at Pepperdine University for two decades. He has won the Hugo, the Nebula and the Locus award. A movie based on his autobiographical novel, The Martian Child, is now in production.