TIL about William Rankin, a pilot who in 1959 parachuted into and survived passing through a cumulonimbus thunderstorm cloud while it was fully developed, an experience so traumatic that he dubbed it "being in a huge, uncontrollable laundry machine."

https://en.wikipedia.org/wiki/William_Rankin

https://www.reddit.com/r/todayilearned/comments/15ohuek/til_about_william_rankin_a_pilot_who_in_1959/