Albert M. Greenfield (1887-1967), an ambitious immigrant outsider, was courted for his business acumen by mayors, senators, governors, and presidents, including Franklin Roosevelt and Harry Truman. As this feisty Russian Jew built a business empire that encompassed real estate, stores (including Bonwit Teller and Tiffany's), hotels (including the Ben Franklin and the Bellevue-Stratford), banks, newspapers, transportation companies, and even the Loft Candy Corporation, he challenged the entrenched business elite. Greenfield was also instrumental in bringing both major political conventions to...