Chicago’s Wrigley Building, constructed in 1921, is the “whited sepulcher” of Michigan Avenue, gleaming in terra cotta like the rows of teeth ostensibly cleansed by Wrigley’s Chewing Gum, the company that built the Beaux-Arts edifice. But its extravagant looks are only part of the story. Unfrozen hosts Robert Sharoff and William Zbaren, who wrote and photographed the new book from Rizzoli, The Wrigley Building: The Making of an Icon, to hear the rest. -- Intro / Outro: “24 Hour Limes,” by The Cooper Vane -- Discussed: Graham, Anderson, Probst & White Charles Beersman Julia Morgan Arts Club of Chicago Joe Mansueto Joe and Rika Mansueto Library, Helmut Jahn, 2011 John Vinci Phillip Wrigley William Hale “Big Bill” Thompson Girilda Tower, Seville Chateau Chambord, Loire Valley, France New York Municipal Building, Stanford White, 1914 The Carter Family Tribune Tower, Howells and Hood, 1925 London Guarantee Building, Alfred Alschuler, 1923 333 North Michigan Avenue, Holabird & Roche, 1928 Belden-Stratford Hotel, Meyer Fridstein, 1923 Waldor-Astoria Chicago, Lucien Lagrange, 2009 Chicago Fire Stadium Stanley Tigerman Studio Blue, Cheryl Towler Weese