His biography “Fire Into Ice” is an entertaining read. The Yemen safari (after book was written IIR) I believe had him looking for Cleopatra’s mines.
Terrible drunk, some say certifiably insane but you can’t deny he and Stu Blusson were responsible for the last great rush. Genius in one aspect.
My ex FIL was his personal accountant at one time. I really tried to coax my son in his direction but son wasn’t interested. Too bad, not often you get a chance with a (local) international mining legend.