Pyotr Petrovich Gnedich, also known as Gnedich-Smolensky, was a Russian writer, poet, dramatist, translator, theatre entrepreneur and art history scholar. He was a grandnephew of Russian poet and translator Nikolay Gnedich. He is considered one of the founders of art history.
Pyotr Ilyich Tchaikovsky was a Russian composer of the Romantic period. He was the first Russian composer whose music would make a lasting impression internationally. Tchaikovsky wrote some of the most popular concert and theatrical music in the current classical repertoire, including the ballets Swan Lake and The Nutcracker, the 1812 Overture, his First Piano Concerto, Violin Concerto, the Romeo and Juliet Overture-Fantasy, several symphonies, and the opera Eugene Onegin.
Pyotr Ilyich Klimuk is a former Soviet cosmonaut and the first Belarusian to perform space travel. Klimuk made three flights into space. From 1991 to 2003, he headed the Yuri Gagarin Cosmonaut Training Center.