Esperanza and Irwin look back on the days when Sag Harbor was the East End’s gritty blue-collar heart. This episode touches on whaling history, but delves deeper into the village’s industrial past, when bustling factories—Alvin Silver, Grumman, Rowe's and most notably the massive Fahys and Bulova Watchcase factories—drew throngs of immigrant workers and anchored the local economy. Listening is Believing.