James Addison Baker was an American attorney and banker in Houston, Texas. He was born James Addison Baker, Junior, and "Junior" appeared in his signature for many years. After the death of his father in 1897, he started signing his name "Captain James A. Baker," and from that point on people referred to him as Captain Baker.

William Marsh Rice was an American businessman who bequeathed his fortune to found Rice University in Houston, Texas. Rice was murdered by his valet Charles F. Jones while sleeping. The murder was part of a plot to forge Rice's will. The instigator of the murder, attorney Albert T. Patrick, was sentenced to death.