TIL about disappearance of Alfred Loewenstein. In 1928 world's third richest person disappeared mid flight while travelling on his private plane.

https://aspectsofhistory.com/the-very-strange-death-of-alfred-loewenstein/

https://www.reddit.com/r/todayilearned/comments/1541qxl/til_about_disappearance_of_alfred_loewenstein_in/