Modern Marvels (2008) (TV Series)-Historical Consultant (1 episode, 2008), Self - Penn State Univ (1 episode, 2008) Historical Consultant (1 episode, 2008), Self - Penn State Univ (1 episode, 2008) See fewerIce Cream (Jun 23, 2008) Season 15, Episode 18-Self - Penn State Univ (as Dr. Bob Roberts), Historical Consultant (as Dr. Bob Roberts) Self - Penn State Univ (as Dr. Bob Roberts), Historical Consultant (as Dr. Bob Roberts) See fewer |
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