The building was expanded in 1963 and again in 1993 with a discrete mid-block addition by Kevin Roche that blends seamlessly with Gilbert's original French Renaissance design.
•
His widow Frieda Schiff Warburg had tried to donate the house to a cultural institute but failed and finally sold the mansion in 1941 to developer Henry Kaufman and the architect Emery Roth, who intended to redevelop the site into an eighteen-story apartment building.
United States House of Representatives | White House | House of Lords | House of Representatives | House | House of Commons of the United Kingdom | Royal Opera House | Massachusetts House of Representatives | Florida House of Representatives | Speaker of the United States House of Representatives | Sydney Opera House | Felix Mendelssohn | Australian House of Representatives | Random House | House (TV series) | House of Habsburg | Minnesota House of Representatives | House of Hohenzollern | House of Bourbon | Pennsylvania House of Representatives | Little House on the Prairie | House of Wettin | House of Stuart | Louisiana House of Representatives | Oregon House of Representatives | house music | House of Ascania | manor house | house | Texas House of Representatives |
The Pujo Report singled out individual bankers including Paul Warburg, Jacob H. Schiff, Felix M. Warburg, Frank E. Peabody, William Rockefeller and Benjamin Strong, Jr..