The Man Who Beat Boone

Canadian-born Fred Lloyd Hartley, 68, once proclaimed, "My life and my love is Unocal." It is a love affair that goes back to May 1939, when he graduated from the University of British Columbia and came to work at Union Oil, the forerunner of Unocal, as an engineering trainee at the Oleum refinery in San Francisco. He rose quickly through the executive ranks, and has served as chief executive since December 1964.

It surprised few oil-industry watchers that Hartley, a man with a reputation for being as blunt and hard driving as a drilling rig, resisted with deep anger and tenacity...