Thanks to artists like Edward Hopper and films like "A Perfect Storm," Gloucester is known today as a hardscrabble fishing town, with a quintessential New England look. But it also has a lesser known but equally great literary tradition as the boyhood summer home of T.S. Eliot, one of the great poets of the 20th century, as Edgar B. Herwick III, of WGBH News' Curiosity Desk, explains.