character: Thomas Edison
topic: Proponent of Direct Current system
grade: 2
subject: History
LearnActions
SearchCreate
character: Nikola Tesla
topic: Advocate for Alternating Current system
grade: 2
subject: History
LearnActions
SearchCreate
character: George Westinghouse
topic: Businessman who supported Alternating Current
grade: 2
subject: History
LearnActions
SearchCreate
character: Michael Faraday
topic: Scientist whose work influenced electricity development
grade: 2
subject: History
LearnActions
SearchCreate