Born on a farm near Anahuac, Texas, in 1875 and possessed of only a fourth-grade education, Ross Sterling was one of the most successful Texans of his generation. Driven by a relentless work ethic, he become a wealthy oilman, banker, newspaper publisher, and, from 1931 to 1933, one-term governor of Texas. Sterling was the principal founder of the Humble Oil and Refining Company, which eventually became the largest division of the ExxonMobil Corporation,...