Who rode with the cosmonaut who commanded the historic Voskhod 2 mission?
Voskhod 2:  The Vostok-based Voskhod 3KD spacecraft with two crew members on board, Pavel Belyayev and Alexey Leonov, was equipped with an inflatable airlock. Pavel Belyayev:  He was the first commander of the cosmonaut corps and the cosmonaut who commanded the historic Voskhod 2 mission which saw the first man walk in space in 1965.
Alexey Leonov