James A. Chapman (April 3, 1881 – September 22, 1966) was a businessman closely associated with Tulsa, Oklahoma.
The companies participated in the exploitation of the Glenn Pool and Cushing oil fields of Oklahoma in the early 20th century.
[3] Chapman and his family used the resulting fortune to establish philanthropic trusts that fund charities in Oklahoma, Texas, and Arkansas.
[4] According to Internal Revenue Service Form 990 filings found at GuideStar[1], these trusts have reported well over one billion dollars in assets in recent years.
At the time of his death, James Chapman's estate was assessed to be worth $120 million.