On which of Captain James Cook's 3 voyages of discovery was he killed?
Well, in Dilbert they made a stuffed hand puppet out of the pointy-haired boss when he died (dramatically increasing his effectiveness). So, assuming that a captain died on his last voyage should not be automatic.
But I do see that I have the correct mountain, thanks to your brief clue. And I know that no real Zip codes start with 123...
So, this mountain has played a larger one in a movie in which (a) Ed appeared and (b) the essential link between serious mountaineering and nitriglycerine was revealed to an unsuspecting world.