Boeing 747: The original jumbo jet turns 50
Boeing President Bill Allen (left) and the head of the US airline Pan Am, Juan Trippe, on February 9, 1968 after the maiden flight of the first 747. The two had a long-standing friendship. According to legend, Trippe is said to have approached Allen as the plane-maker was finishing plans for the wide-body aircraft: "If you build it, I'll buy it." Boeing's answer: "If you buy it, I will build it."