Irvin Muchnick is the author of Wrestling Babylon, Chris & Nancy, Concussion Inc., and Without Helmets or Shoulder Pads: The American Way of Death in Football Conditioning. He has written articles for the New York Times, Salon, the Washington Monthly, People, Spy, Sports Illustrated, and other major outlets, as well as for Ireland's Broadsheet and Village magazine and San Francisco's Beyond Chron. He lives in Berkeley, CA.