Introduction: Three space pioneers Konstantin Tsiolkvsky, Robert H.Goddard and Werner von Braun are considered the pioneers of space travel as they tested and created their own creations to achieve flight as large or even flight as possible for the rocket. Body: Konstantin was born on September 17, 1857 in Spassky District, Ryazan Oblast (Russian Empire) and died on September 19, 1935 in Kaluga Russia at the age of 78. His education and family life, at the age of ten he had scarlet fever this affected his hearing, he was the fifth child of 8 children, Konstantin's education was not loud due to his hearing but he was self-taught creating interest in space. Konstantin Tsiolkvsky developed insights into space travel that are still in use 100 years later and proposed guiding rockets. Konstantin was a school teacher and scientist, proposed the idea of ​​space exploration and published in 1903 the suggestion that liquid propellants worked better to achieve greater flight. To achieve its increased range, the rocket's speed and range were only limited ...