X, a place, is presently named after the commie dude shown in pic1.
X was previously known as Y, which figures in a famous problem, first solved by the math dude shown in pic2.
And in the general direction of X, I present the clue pic3.
Full connections please. [ X – pic1, Y – pic2 ]
Cracked completely by Srikanth, Royan, Kaustuba, Tul and Goutham.
and partially by wanderlust