[1] Sinclair was an avid owner of sports properties, one of the principal financial backers of baseball's Federal League and a force in U.S. thoroughbred racing.

The son of a pharmacist, after finishing high school, he entered the pharmacy department of the University of Kansas, at Lawrence.

[2] In 1910, four businessmen: Eugene Frank Blaise, Charles J. Wrightsman, William Connelly, and Harry F. Sinclair bought the failed Farmers National Bank in Tulsa.

[8] Sinclair offered Helene Hathaway Britton $200,000 for the St. Louis Cardinals in 1916 ($5,600,000 in current dollar terms), but she declined.

[9] Sinclair invested a substantial amount of money in thoroughbred race horses, acquiring the prestigious Rancocas Stable in Jobstown in southwest New Jersey from the estate of Pierre Lorillard IV.

[10] [a] Harry Sinclair's high-profile image as a reputable American business leader and sportsman came into question in April 1922 when The Wall Street Journal reported that, Albert B.

The oil field lease was for government land in Wyoming that had been created as an emergency reserve for the United States Navy.

What became known as the Teapot Dome scandal, ultimately led to a United States Senate establishing a Committee on Public Lands and Surveys to conduct hearings into the circumstances surrounding the government oil lease.

The result was a finding of fraud and corruption which led to a number of civil lawsuits and criminal charges against Harry Sinclair and others.

In 1927 the United States Supreme Court declared the Sinclair oil lease had been corruptly obtained and ordered it canceled.

[4] He died a wealthy man in Pasadena, California in 1956, at age 80, and was interred in the Roman Catholic Calvary Cemetery, East Los Angeles.