Proposed Executive Mansion on Meridian Hill by Paul J. Pelz, 1898. Mary Foote Henderson, wife of a former U.S. senator, commissioned architect Paul Pelz to design this palatial replacement for the White House for a site on Meridian Hill, directly across the street from the Hendersons’ own mansion. Library of Congress, Prints & Photographs Division, LC-DIG-ppmsca-31528.