Selig Harry Lefkowitz, alias Big Jack Zelig, was New York's first great gangster boss. Like many of his pre-Volstead contemporaries, his historic impact has been overshadowed by Al Capone and Murder Inc. He is listed in today's crime anthologies primarily because four members of the gang, along with corrupt cop Charles Becker, died in the electric chair for the July 1912 murder of gambler Herman Rosenthal. In New York City from 1908 to 1912, however,...