Irwin Union Bank and Trust - View this location on map The Irwin Union Bank and Trust (1954) is a highly innovative bank design and an outstanding example of classic Modernist form, the Miesian glass pavilion. The work of Eero Saarinen, Irwin Union Bank and Trust was possibly the first financial institution in the United States with glass walls and an open plan, dramatically differing from past solutions for banks, and influencing the future of bank design. This property is one of a number of buildings in Columbus, Indiana that illustrate trends in modern architecture. 500 Washington Street, Columbus, Indiana Historical,

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