This ca. 1878 bas-relief portrait of W. W. Corcoran by Moses Jacob Ezekiel fills the tympanum of the Renwick building in Washington, DC.
"William Wilson Corcoran (December 27, 1798 – February 24, 1888) was an American banker, philanthropist, and art collector. He started the Corcoran Gallery of Art." -- Wikipedia
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Until 1900 large niches on the second floor level contained sculptures of "the greatest artists and sculptors of all time." Today the niches have given way to windows. This 1963 HABS drawing of what was then the Court of Claims shows the windows replacing the niches.