D. H. Burnham & Company

D.H. Burnham and Company was an architecture firm based in Chicago, Illinois.

Root was the chief consulting architect for the World's Columbian Exposition.

D.H. Burnham and Company continued to have design output that was prodigious.

Works include the Ellicott Square Building in Buffalo, New York, overseeing the reconstruction and expansion of the Marshall Field and Company Building in Chicago between 1893 and 1914, designing and building The Silversmith Building, now The Silversmith Hotel & Suites in downtown Chicago in the late 1890s,[1] Pennsylvania Station in Pittsburgh (1903),[2] Union Depot in El Paso (1906),[2][3] Union Station in Washington, D.C. (1907),[2] and the Commercial National Bank Building in Chicago (1907).

In 1894 Burnham was the President of the American Institute of Architects and was asked to draw up plans for cities such as San Francisco, Cleveland, and Baltimore.