One evening in the 1930s, a 13-year-old named William Troeller hanged himself from the transom of his bedroom in Greenpoint, Brooklyn. William's father was laid up in Kings County Hospital awaiting surgery for an injury he'd suffered on the job at Brooklyn Edison. A federal jobs program was paying William's older brother Harold for temporary work. But the amount wasn't nearly enough to make ends meet. Gas and electricity to the family's apartment had been shut off for half a year. Harold told a New York Times reporter that both hunger and modesty had driven William to act. "He was...