If you’d like to know who this guy is, here’s a paragraph about him on History.com
One such erasure was Nikola Yezhov, a secret police official who oversaw ██████ purges. For a while Yezhov worked at ██████ right hand, interrogating, falsely accusing and ordering the execution of thousands of Communist Party officials. But in 1938, Yezhov fell from ██████ favor after being usurped by one of his own deputies. He was denounced, secretly arrested, tried in a secret court, and executed.
If you’d like to know who this guy is, here’s a paragraph about him on History.com