 Through the Wormhole (2010) (TV Series)-Self - Experimental Physicist (1 episode, 2010) Self - Experimental Physicist (1 episode, 2010) See fewer What Are We Really Made Of? (Jul 21, 2010) Season 1, Episode 7-Self - Experimental Physicist Self - Experimental Physicist See fewer |
 The Big Bang Machine (2008) (TV Movie)-Self Self See fewer |
 Horizon (2007) (TV Series)-Self - University of Chicago (1 episode, 2007) Self - University of Chicago (1 episode, 2007) See fewerThe Six Billion Dollar Experiment (May 1, 2007) Season 44, Episode 8-Self - University of Chicago (as Prof Leon Lederman) Self - University of Chicago (as Prof Leon Lederman) See fewer |
 Understanding (1995–2004) (TV Series)-Self (1 episode) Self (1 episode) See fewer Uncertainty Self Self See fewer |
 Van de schoonheid en de troost (2000) (TV Series)-Self (2 episodes, 2000) Self (2 episodes, 2000) See fewer De Samenkomst (2000) Season 1, Episode 27-Self Self See fewer Leon Ledermann (2000) Season 1, Episode 19-Self Self See fewer |
 A Science Odyssey (1998) (TV Series)-Self - Physicist (1 episode, 1998) Self - Physicist (1 episode, 1998) See fewer Mysteries of the Universe (Jan 12, 1998) Season 1, Episode 2-Self - Physicist Self - Physicist See fewer |
 The Unexplained (1997) (TV Series)-Self / Self - Nobel Prize Physicist (2 episodes, 1997) Self / Self - Nobel Prize Physicist (2 episodes, 1997) See fewer Alien Abductions (Oct 30, 1997) Season 2, Episode 15-Self Self See fewerHauntings (May 8, 1997) Season 2, Episode 7-Self - Nobel Prize Physicist Self - Nobel Prize Physicist See fewer |
 Equinox (1995) (TV Series)-Self - Professor of Physics (1 episode, 1995) Self - Professor of Physics (1 episode, 1995) See fewerGod only Knows (Nov 19, 1995) Season 10, Episode 10-Self - Professor of Physics Self - Professor of Physics See fewer |
 Creation of the Universe (1985) (TV Movie)-Self - Physicist Self - Physicist See fewer |