Konstantin Tsiolkovsky was a pioneering Russian rocket scientist and cosmonautics theorist, shaping future space exploration.
David Bowie was a British musician, actor, and artist, known for his innovative work in music, fashion, and film, leaving an indelible mark on popular culture.
Alexey Leonov was a Soviet cosmonaut who became the first human to conduct a spacewalk, showcasing bravery and pioneering spirit.