Juan Terry Trippe (1899-1981), the undisputed pioneer of the American overseas aviation industry, led Pan American Airways from 1927 to 1968. Having opened up Latin America, the African periphery, the Pacific, and Southeast Asia during the 1930s, Pan American played an important role in World War II before spearheading mass, low-cost tourism across the North Atlantic to Western Europe in the 1950s.

Juan Trippe was born on June 27, 1899, to a well-off New York family, which, despite his first name, had no significant Hispanic connections. He attended the Hill School and entered Yale University in 1917. Trippe and some classmates became Navy pilots after America entered World War I, but they saw no combat. He later returned to Yale, graduated in 1921, and became a Wall Street bond salesman.

But Trippe and his wealthy associates were fascinated by aviation, whose future seemed rich with possibilities. Having bought some surplus Navy planes in 1923, they...