Pavel Tretyakov was a prominent Russian merchant and art collector born in 1832. He is best known for founding the Tretyakov Gallery in Moscow, which houses one of the largest collections of Russian art. Tretyakov's passion for art began in his youth, and he dedicated much of his wealth to acquiring works from both established and emerging Russian artists. Tretyakov's collection includes masterpieces from the 18th to the 20th centuries, showcasing the evolution of Russian art. His efforts significantly contributed to the appreciation of Russian culture and heritage, making the gallery a vital institution for art lovers and historians alike.