CULTUREPhotos: Live from New YorkAlison Castle fetes SNL‘s 40th anniversary with a stunning new book.by Sue Williamson02.13.151Bumper photo of Steve Martin by Edie Baskin, 1976. © Edie Baskin2Patrick Swayze and Chris Farley’s iconic 1990 Chippendales sketch. © Edie Baskin3Jan Hooks as Nancy Reagan backstage, late 1980s. © Suzy M. Drasnin4The storage room in the makeup lab, 2009. © Mary Ellen Matthews5Edie Baskin’s hand-tinted portrait of Gilda Radner as Baba Wawa, 1977. © Edie Baskin6A personal note from John Belushi to Lorne Michaels. © Courtesy of the Belushi Family7Gilda Radner’s Roseannadanna with Jane Curtin, 1979. © Edie Baskin8Steven Spielberg, Bill Hader, and Andy Samberg shooting “Laser Cats 7” in Lorne Michael’s office, 2012. © Dana Edelson9Bill Hader as Stefon with Seth Meyers during Hader’s farewell show, 2013. © Dana Edelson10Saturday Night Live. the Book. by Alison Castle, $50, taschen.com.