an Entity references as follows:
Pyotr Nikolayevich Kudryavtsev (Russian: Пётр Николаевич Кудрявцев, 16 August 1816 – 29 January 1858) was a Russian writer, historian, pedagogue (professor of world history at Moscow University in 1851-1858), literary critic, philologist and journalist who in 1856-1858 was the head of Russky Vestnik's political review section.