A long career of being always right made it impossible for Thomas Edison to endure being wrong. Committed thoroughly to the use of direct electrical current, Edison unscrupulously fought the use of alternating current. He lobbied New York State into adopting a.c. for its newly devised electric chair (and a.c. is indeed more efficient in electrocution than direct current), and then he pointed with great horror to the electric chair as an example of the deadly nature of a.c.
(p.158)
from Isaac Asimov’s Book of Facts, edited by Isaac Asimov
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