By 1920, two New York kingpins soared over other mobsters in terms of ambition, scope, and power.

These two men, one Italian and one Jewish loathed each other, had diametrically opposed personal styles and business practices, but both took Meyer Luciano and Lucky Lansky under their wing and directly contributed to their later development of La Cosa Nostra.

Like previous podcasts in this series, I relied extensively on "Boardwalk Gangster" by Tim Newark, "A Thinking Man's Gangster" by Robert Lacy and "Five Families" by Selwyn Raab