The Apex Building, headquarters of the <a href="https://en.wikipedia.org/wiki/Federal_Trade_Commission" class="extiw" title="en:Federal Trade Commission">Federal Trade Commission</a>, on <a href="https://en.wikipedia.org/wiki/Constitution_Avenue" class="extiw" title="en:Constitution Avenue">Constitution Avenue</a> and 7th Streets in <a href="https://en.wikipedia.org/wiki/Washington,_D.C." class="extiw" title="en:Washington, D.C.">Washington, D.C.</a>.  The building was designed by <a href="https://en.wikipedia.org/wiki/Edward_H._Bennett" class="extiw" title="en:Edward H. Bennett">Edward H. Bennett</a> under the purview of <a href="https://en.wikipedia.org/wiki/United_States_Secretary_of_the_Treasury" class="extiw" title="en:United States Secretary of the Treasury">Secretary of the Treasury</a> <a href="https://en.wikipedia.org/wiki/Andrew_W._Mellon" class="extiw" title="en:Andrew W. Mellon">Andrew W. Mellon</a>, and was completed in 1938 at a cost of $125 million.
Carol M. Highsmith (born 1946)
Photo from the <a rel="nofollow" class="external text" href="http://lcweb2.loc.gov/pp/highsmhtml/highsmabt.html">Carol M. Highsmith collection</a>, reproduction number <a rel="nofollow" class="external text" href="http://memory.loc.gov/phpdata/pageturner.php?type=contactminor&amp;cmIMG1=/pnp/pplot/13700/13734/01527t.gif&amp;agg=pplot&amp;item=13734&amp;caption=2">LC-DIG-pplot-13734-01527</a>