Here's a look at the award-winning Friday version of 'Today in Rock History' featuring: Jenny McCarthy is 47. Willie D from The Geto Boys is 53. Def Leppard's one-armed drummer, Rick Allen is 56. Anthony Kiedis from the Red Hot Chili Peppers is 57. Bobby "The Brain" Heenan was born on this day in 1944. The father of Guinness ale, Sir Benjamin Lee Guinness was born in 1798. Today in 1512, Michelangelo's masterpiece on the ceiling of the Sistine Chapel was unveiled after more than four years of working on his back. In 1999, Walter Payton died of bile duct cancer at 45. He was the NFL's all-time leading rusher until Emmitt Smith broke his record in 2002. RIP