Alan Bean was the lunar module pilot of apollo-12 (Nov 1969), the fourth human to walk on the Moon. Per Newsweek coverage of pursue Release 02 (src-newsweek-pursue-release-02-2026-05), Bean — along with pete-conrad and richard-gordon — appears in a post-mission medical-debrief audio describing eyes-closed “flashes” during sleep periods; NASA later attributed the phenomenon to internal visual effects (cosmic-ray phosphenes).