Milestones

DIED. Daniel J. Haughton, 75, patriarchal former chairman of Lockheed Corp., who helped oversee the development of the U-2 and SR-71 reconnaissance planes and the L-1011 jetliner while combatting financial crises that culminated in the aircraft maker's near bankruptcy in 1971; of complications following heart and gallbladder surgery; in Marietta, Ga. Haughton resigned in 1976 after revelations of massive overseas payoffs by Lockheed in order to boost aircraft sales.