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Lekha says
Felix Edmundovich Dzerzhinski
Founder of VCK(first name of KGB), polish aristocrat.
Slava T says
You are asking about 15-ton iron monument of Felix Dzerzhinsky which once dominated the Lubyanka Square in Moscow, near the KGB headquarters. It was erected in 1958 by sculptor Yevgeny Vuchetich and was a Moscow landmark in Soviet times.
You can see the square’s view in front of the KGB headquaters as it used to be (with the monument of Dzerzhinsky) on the 2nd and 3rd pics.
The monument was removed in 1991 and taken to one of the Moscow parks (4th pic).