Nikolai Ivanovich "Kolya" Vasin (Russian: ??????? ???????? (????) ?????, 24 August 1945 – 29 August 2018) was a Russian music historian, writer, one of the main popularizers of the Beatles' creative work inside the USSR and Russia, collector who became prominent in the Soviet Union for collecting Beatles memorabilia.
He first came into contact with Beatles music via bootleg records in 1964.
In 1970, Vasin entered into correspondence with John Lennon, and was said to be the only Soviet citizen to do so.
Vasin amassed a large collection of Beatles memorabilia and turned his apartment into an impromptu museum.
He campaigned for greater recognition of the Beatles and rock musicians in Russia, proposing the renaming of Leningrad as "Lennongrad", public holidays and the construction of a 210-foot (64 m) tall "John Lennon Temple of Peace and Love".
Vasin is known as a Beatles fan number 1 of the USSR and Russia.
He died in a fall from height at a Saint Petersburg shopping centre.