Travis Langley is the editor, lead writer and head nerd of the herd on more than a dozen anthologies in his Popular Culture Psychology series. He is a distinguished professor of psychology at Henderson State University, where he teaches on the psychology of crime, mental illness, media, and social behavior. He appears as an expert interviewee in documentaries such as “Necessary Evil: Super-Villains of DC Comics,” “Superheroes Decoded,” and “Batman and Bill.” The New York Times (front page), CNN, MTV, and many other news outlets have covered his work.