Cosmonaut Alexei Leonov, First Man to Walk in Space, Dies at 85 Oct. 11, 2019 | By John A. Tirpak Alexei Arkhipovich Leonov, the first person to make a spacewalk, a member of the joint American and Russian Apollo-Soyuz Test Project mission, and the cosmonaut most likely to have walked on the moon if Russia’s moon program had not ended...