John Hay Whitney (1904–1982) known as "Jock" Whitney, was U.S. Ambassador to the United Kingdom & publisher of the New York Herald Tribune. His father was Payne Whitney. After graduating in 1926, Whitney inherited a trust fund of $20 million (approximately $210 million in 2005 dollars), & later inherited four times that amount from his mother. Whitney inherited his family's love of horses, & entered four horses in the Kentucky Derby in the 1930s
"Stage and Proscenium Boxes of Ford's Theater as They Appeared on the Night of President Lincoln's Assassination," John G. Nicolay and John Hay's Abraham Lincoln: A History, 1890 (ICHi-30943); floor plan of presidential box and outer vestibule.