Recurring Guest Characters
Creator - "The Oatmeal" & Tesla Enthusiast
1 guest appearances
Author - "Tesla: Inventor of the Electric Age"
1 guest appearances
Physicist - Tesla Science
1 guest appearances
Archivist - Edison National Historical Park
1 guest appearances
Author - "The Detroit Electric S
1 guest appearances
Detroit Electric Car Owner
1 guest appearances
Historian - Mark Twain House & Museum
1 guest appearances
Author - "Edison: A Life of Invention"
1 guest appearances
Physics Professor - Univ. of Nevada, Las Vegas
1 guest appearances
Owner - Motor City Tattoo Museum
1 guest appearances
Captain - East Coast Wreck Diving
1 guest appearances
Executive Chancellor - Oaksterdam University
1 guest appearances
Historian - Jamestown Settlement
1 guest appearances
Owner - Rocky Mountain Hem
1 guest appearances
Author - "Smoke Signals: A Social History of Marijuana"
1 guest appearances
Assistant State Historian - History Colorado
1 guest appearances
State Historian - History Colorado
1 guest appearances
Combat Historian / Author - "Dog Company"
1 guest appearances
Owner - Hemp Traders
1 guest appearances