Konstantin Umansky
... that in 1939, Soviet Ambassador Konstantin Umansky was the youngest Ambassador in Washington, D.C.?
... that in 1939, <a class="mw-redirect" href="./Soviet_Ambassador_to_the_United_States" id="mwElQ" rel="mw:WikiLink" title="Soviet Ambassador to the United States">Soviet Ambassador</a> <b id="mwElU"><a href="./Konstantin_Umansky" id="mwElY" rel="mw:WikiLink" title="Konstantin Umansky">Konstantin Umansky</a></b> was the youngest <a class="mw-redirect" href="./Ambassadors_to_the_United_States" id="mwElc" rel="mw:WikiLink" title="Ambassadors to the United States">Ambassador in Washington, D.C.</a>?