I believe the last photo is Alexey Leonov possibly with Pavel Belyaev (not really sure), of the Voskhod 2 mission. Leonov was the first person to do a spacewalk

I believe the last photo is Alexey Leonov possibly with Pavel Belyaev (not really sure), of the Voskhod 2 mission. Leonov was the first person to do a spacewalk. https://en.wikipedia.org/wiki/Alexei_Leonov https://en.wikipedia.org/wiki/Alexei_Leonov https://en.wikipedia.org/wiki/Pavel_Belyayev https://en.wikipedia.org/wiki/Pavel_Belyayev (some interesting tidbits about the Voskhod 2 mission there)