Granville Tailer Woods moved through the Gilded Age like current through copper—restless, purposeful, and always looking for a cleaner path. Between 1884 and 1910 he secured more than fifty U.S. patents spanning railroad communications, electric traction, and lighting controls. Much of what made early mass transit safer and more scalable traces back to his bench: induction-based “railway telegraphy,” smarter current …
