Alexei Arkhipovich Leonov (30 May 1934 – 11 October 2019) was a Soviet and Russian cosmonaut, Air Force major general, writer, and artist. On 18 March 1965, he became the first person to conduct a spacewalk, exiting the capsule during the Voskhod 2 mission for 12 minutes and 9 seconds. He was also selected to be the first Soviet person to land on the moon, however the project was cancelled.
In July 1975, Leonov commanded the Soyuz capsule in the Soyuz–Apollo mission, which docked in space for two days with an American Apollo capsule.
He is also known as Aleksei Arkhipovich Leonov, Aleksej Arhipovič Leonov and Alexey Arkhipovich Leonov.