Recurring Guest Characters
Malala Yousefzai
1 guest appearances
George Tilton
1 guest appearances
Michael Faraday
2 guest appearances
William Herschel
2 guest appearances
Edmund Muskie
1 guest appearances
Clair Patterson
1 guest appearances
Cecilia Payne
1 guest appearances
Annie Jump Cannon
1 guest appearances
Marie Tharp
1 guest appearances
Einstein's Father
1 guest appearances
Sarah Faraday
1 guest appearances
Sir Humphry Davy
1 guest appearances
Electric Spark Girl
1 guest appearances
Augustin Mouchot
1 guest appearances
Ibn al-Hazen
1 guest appearances
Guard
1 guest appearances
Businesswoman
1 guest appearances
Cab Driver
1 guest appearances
Giordano Bruno
1 guest appearances