Deadwood is an American western television series created, produced, and largely written by David Milch, that aired on the premium cable network HBO from March 21, 2004, to August 27, 2006, spanning 36 episodes and three seasons.
 The series, set in the 1870s in Deadwood, South Dakota, before and after the area's annexation by the Dakota Territory, charts Deadwood's growth from camp to town, incorporating themes ranging from the formation of communities to western capitalism.
 The show features a large ensemble cast, and many historical figures appear as characters, such as Seth Bullock, George Crook, Wyatt Earp, E. B. Farnum, George Hearst, Wild Bill Hickok, Calamity Jane, Jack McCall, Sol Star, Al Swearengen, and Charlie Utter.
 The plot lines involving these characters include historical truths as well as substantial fictional elements.
 Milch used actual diaries and newspapers from 1870s Deadwood residents as reference points for characters, events, and the look and feel of the show.
 Some of the characters are fully fictional, although they may have been based on actual persons.
Frank Rooney is a wealthy American businessman.
Owen "Bobby" George Endicott Roberts (aka "The Commander") (c.1912 – 10 April 1953) was a British Royal Air Force (RAF) Wing Commander and noted 20th-century aviator and founder of Caribbean International Airways.
 Owen Roberts International Airport in George Town on Grand Cayman is named after him.
 He was grandson of a wealthy American businessman Marshall Owen Roberts, while his mother Irene Helene Murray was from the family of the dukes of Atholl.
Adams Museum & House, The Historic Adams House was built in 1892 by Deadwood pioneers Harris and Anna Franklin.
 The elegant Queen Anne-style house heralded a wealthy and socially prominent new age for Deadwood, a former rough and tumble gold mining town.
 Its the oldest history museum in the Black Hills and ranks #3 among True West magazine's 2009 Top 10 Western Museums.
 Artifacts and displays from Deadwood's historic past reflect the powerful legends of infamous characters like Wild Bill and Calamity Jane.
 In 1920 Deadwood businessman and former mayor W.E. Adams brought the house as a tribute to the Black Hills pioneers and in remembrance of his deceased first wife and two daughters.
 The museum was a gift to the city of Deadwood and it remains city property to this day.
 It is located at 54 Sherman Street.
A Heidelberg Romance (German: Heidelberger Romanze) is a 1951 West German romance film directed by Paul Verhoeven and starring Liselotte Pulver, O.W. Fischer and Gardy Granass.
 While accompanying his daughter on a trip to Heidelberg, a wealthy American businessman recounts a romance he had with a local girl forty years before.
 The film set a template for portraying German-American relations.
Charles Richard Crane (August 7, 1858 – February 14, 1939) was a wealthy American businessman, heir to a large industrial fortune and connoisseur of Arab culture, a noted Arabist.
 His widespread business interests gave him entree into domestic and international political affairs where he enjoyed privileged access to many influential power brokers at the top levels of government.
 His special arena of interest was Eastern Europe and the Middle East.
George Hearst (September 3, 1820 – February 28, 1891) was a wealthy American businessman and politician.
 He was a United States Senator and the father of newspaperman William Randolph Hearst.
Captain Isaac Edward Emerson (1859–1931) was a wealthy American businessman, socialite, and seaman.
 He is most notable for having created the headache remedy Bromo-Seltzer upon which his great wealth was based and the reason he was known as the "Bromo-Seltzer King".
Michael Corbett "Mickey" Shea is a fictional character who features prominently in the novel, "The Godfather Returns".
 He is loosely based on former Ambassador Joseph P. Kennedy, the father of President John F. Kennedy, Attorney General and US Senator Robert F. Kennedy and US Senator Ted Kennedy.
The Minton-Capehart Federal Building is a United States federal building in Indianapolis, Indiana.
 It is named for former US Senator and US Supreme Court Justice Sherman Minton and former US Senator Homer E. Capehart.
 It is most famous for the "Color Fuses" mural by architect Milton Glaser that wraps around the entire ground floor.

Question: Who was the son of a wealthy American businessman, US senator, and who's features was in Deadwood?
Answer: William Randolph Hearst