The authors of (see also), however, criticise Vinogradov saying that he was a typical loner with a difficult character, interested only in his mathematical research and in strengthening his Institute.
Ang mga may-akda ng (tingnan din), gayunpaman, criticise Vinogradov sinasabi na siya ay isang pangkaraniwang mapag-isa sa isang mahirap na character, interesado lamang sa kanyang matematiko research at sa pagpapalakas ng kanyang Institute.