On 18 March 1965, who became the first human to walk in the space ?

Answer 1

Alexey Arkhipovich Leonov On 18 March 1965, he became the first human to conduct extravehicular activity (EVA), exiting the capsule during the Voskhod 2 mission for a 12-minute spacewalk.

He is a retired Soviet/Russian cosmonaut and Air Force Major general.