Hugo and Nebula winners over 65

saare_snowqueen asks, I answer:

Hugo winners over 65:

Fritz Leiber (1910-1992) 1976, Best Short Story, Catch That Zeppelin!
Peter Beagle (1939-) 2005, Best Novelette, Two Hearts
Frederik Pohl (1919-) 1986, Best Short Story, Fermi and Frost
Isaac Asimov (1920-1992) 1992, Best Novelette, Gold - Asimov had died before the award ceremony
Clifford D Simak (1904-1988) 1981, Best Short Story, Grotto of the Dancing Deer
Jack Williamson (1908-2006) 2001, Best Novella, The Ultimate Earth

Nebula winners over 65:

Connie Willis (1945-) 2010, Best Novel, Blackout / All Clear 
Fritz Leiber (1910-1992) 1975, Best Short Story, Catch that Zeppelin!
Ursula K. Le Guin (1929-) 1995, Best Novelette, Solitude
Peter Beagle (1939-) 2005, Best Novelette, Two Hearts
Jack McDevitt (1935-) 2006, Best Novel, Seeker
Harlan Ellison (1934-) 2010, Best Short Story, How Interesting: A Tiny Man
Clifford D Simak (1904-1988) 1980, Best Short Story, Grotto of the Dancing Deer
Ursula K. Le Guin (1929-) 2008, Best Novel, Powers
Carol Emshwiller (1921-) 2002, Best Short Story, Creature
Carol Emshwiller (1921-) 2005, Best Short Story, I Live with You
Jack Williamson (1908-2006) 2001, Best Novella, The Ultimate Earth

I somehow doubt that anyone will break Jack Williamson's record any time soon...