Boris Sofronovich Kowerda, also known as Koverda, was a Russian White émigré, monarchist, editor, and proofreader convicted of murdering Pyotr Voykov, Soviet ambassador to Poland in 1927 in Warsaw.

Arkady Pavlovich Rosengolts was a Bolshevik revolutionary, Soviet military leader, politician and diplomat. He was the People's Commissar of Foreign Trade and a defendant at the Moscow Trial of the Twenty-One in 1938.