You Can't Be Right About Everything. 15 Times Historical Figures Had NO Idea What They Were Talking About.

Thomas Edison, 1889. The lightbulb inventor insisted his own direct current (DC) system was superior to competitor George Westinghouse's AC power, and took every opportunity to discredit alternating current.

Thomas Edison, 1889. The lightbulb inventor insisted his own direct current (DC) system was superior to competitor George Westinghouse's AC power, and took every opportunity to discredit alternating current.

 Thomas Edison, 1889. The lightbulb inventor insisted his own direct current (DC) system was superior to competitor George Westinghouse's AC power, and took every opportunity to discredit alternating current.