Heather Joseph-Witham, Ph.D.: Heather Joseph-Witham is a folklorist whose extensive research in urban legends, myths, and folklore led her to be tapped for information by the MythBusters team. She appeared on camera in the three pilot episodes and the entire thirteen-episode first season. Joseph-Witham's role on the show ended after the third episode of the second season. She received her doctorate from the now defunct Folklore and Mythology Program at UCLA in 1998. She is currently an associate professor at Otis College of Art and Design in Los Angeles, California