Jennifer Jason Leigh turns 47 today. Sulzberger family patriarch and former Times publisher Arthur Ochs Sulzberger Sr. is 83. Former Morgan Stanley co-president Bob Scully is 59. Actress Laura Linney is turning 45. Writer/director Christopher Guest is 61. Baseball legend Hank Aaron is turning 75. Film director Michael Mann is 66. Oscar-winning documentarian Errol Morris is 61. Bobby Brown is turning 40. And two former SNL stars are celebrating today: Chris Parnell is 42 and Tim Meadows is 48.