The History of the Standard Oil Company for Standard Oil and lived through what Ida called "hate, suspicion, and fear that engulfed the community." As a direct witness to the schemes and horizontal integration of John D. Rockefeller and his associates, Tarbell began building the foundations of "The History of the Standard Oil Company" early with growing senses of interest and discontent. After her education and accumulate writing experience, Tarbell began working at "McClure's" Magazine, where she wrote several successful series on historical figures. After this initial success, her shift turned to John D. Rockefeller. She began by interviewing Henry H. Rogers, one of her father's fellow
Vacuum Oil Company internal-combustion engines. Ewing sold his interest to Everest, who carried on the company. Vacuum was bought by Standard Oil in 1879. It originated the Mobil trademark in 1899 (as "Mobilgas;" "Mobiloil" came later). When Standard Oil was broken up in 1911 due to the Sherman Antitrust Act, Vacuum became an independent company again. Vacuum Oil and Standard Oil of New York (Socony) merged in 1931, after the government gave up attempts to prevent it. At the time, the newly combined company made Socony-Vacuum Corp. the 3rd largest oil company, worldwide. Everest remained with the firm, and was given a salaried