Boris Chertok

Boris Chertok was a pioneering Soviet engineer and spacecraft designer who played a crucial role in the development of the Soviet space program. He contributed significantly to the creation of the R-7 rocket, which launched the first artificial satellite, Sputnik, in 1957, and supported subsequent missions including crewed spaceflight. Known for his expertise and leadership, Chertok helped advance human space exploration and the technology behind launching satellites and cosmonauts. His work laid foundational principles for space engineering and the Soviet Union's achievements in space exploration.