Question: What is the name of this American business magnate, investor, and philanthropist, born in 1933, whose secret purchase of the "Las Vegas Review-Journal" is the subject of Nobody Speak: Trials of the Free Press?

Context paragraphs:
The Century (newspaper): The Century was a weekly newspaper published by Nellis Air Force Base in Las Vegas, from 1960-1980.  Many members of the editorial staff went on to work at newspapers and media outlets across the country.  The "Arizona Republic", KSHO TV-13 ABC Las Vegas, "Las Vegas Review-Journal", and many others.

Las Vegas Review-Journal: The Las Vegas Review-Journal is a major daily newspaper published in Las Vegas, Nevada, since 1909.  It is the largest circulating daily newspaper in Nevada and one of two daily newspapers in the Las Vegas area.  The Greenspun Corporation-owned "Las Vegas Sun" is distributed with it.

Bob Brown (newspaper publisher): Robert Lloyd "Bob" Brown (1930 – June 8, 1984) was an American publisher of the Las Vegas "Valley Times" from 1973 to 1984.  Prior to this, he had served as a correspondent in Asia for the United Press and as a journalist in Alaska and Arkansas.  He was also editor of the "Las Vegas Review-Journal", a speech-writer for Paul Laxalt, editor of the Tucson "Daily American", editor and publisher of the "Lacey Leader" (in Washington state) and chairman of the Nevada State Tax Commission.

Sheldon Adelson: Sheldon Gary Adelson (pronounced ; born August 4, 1933) is an American business magnate, investor, and philanthropist.  He is the founder, chairman and chief executive officer of Las Vegas Sands Corporation, which owns the Marina Bay Sands in Singapore, and is the parent company of Venetian Macao Limited, which operates The Venetian Resort Hotel Casino and the Sands Expo and Convention Center.  He also owns the Israeli daily newspaper "Israel Hayom", and the "Las Vegas Review-Journal".  Adelson, a lifelong donor and philanthropist to a variety of causes, founded with his wife's initiative the Adelson Foundation.  He is a member of the Republican Party.

Norm Clarke: Norm Clarke (born 1942 in Terry, Montana) is an American gossip columnist in Las Vegas, Nevada.  He wrote the column "Vegas Confidential" for the "Las Vegas Review-Journal" from 1999 to 2016.  He currently writes the column "Vegas Diary" for the website of the Vegas Stats & Information Network.  His column covers celebrities and near-celebrities and their doings in the bright lights of "Sin City."

Free Press Foundation: Free Press Foundation (FPF, Mongolian: “Чөлөөт хэвлэл сан” сонины хэвлэх үйлдвэр ) is one of the largest printing houses in Mongolia.  It was first established in 1996 under the name Newspaper Printing House with a grant aid from the Danish International Development Assistance Agency within the framework of the project “Free and Independent Press in Mongolia” implemented in accordance with the agreement between the Government of Mongolia and the Government of Denmark.  The Government of Denmark commemorated the Free Press Foundation to the transition to free democratic society system and free open economic market in Mongolia.  Between 1996-2005, the Free Press Foundation printed up to 90% of total number of newspaper titles in Mongolia.  Presently, it prints over 60% of total number of newspaper titles and over 70% of total circulation of nationally printed newspapers.

Neal Rubin: Neal Rubin (born 1955) is an American cartoonist and writer.  He is currently a columnist for "The Detroit News" and writes the nationally syndicated comic strip "Gil Thorp."  He spent 15 years as a feature writer and columnist for the "Detroit Free Press".  He previously wrote features for the "Las Vegas Review-Journal" and was a sports writer for the "Las Vegas Sun" and the "Greeley Tribune".

Poppermost: Poppermost is an original indie pop rock music band based in Las Vegas, Nevada, United States.  The retro band draws comparisons to The Turtles, The Beach Boys, Harry Nilsson, Simon & Garfunkel, The Beatles, Queen, Elliott Smith, Elvis Costello, The Kinks, Paul McCartney, The Hollies, Traveling Wilburys, Oasis, The Who, Electric Light Orchestra, Wilco, and classic '60s / '70s pop rock radio.  Poppermost has been listed as one of "Our picks for the best bands" by the "Las Vegas Weekly" entertainment magazine, and also received a "Best of Las Vegas 2007" award from the "Las Vegas Review-Journal" newspaper. <ref name="RJ3/25/07">"Best Local R&B Band", "Las Vegas Review-Journal"</ref> Singer/songwriter/multi-instrumentalist, Alex Oliver, and bassist and audio/video/graphics/web designer, Roy Rendahl, both registered with ASCAP, started Poppermost on July 4, 2001.  They have released three full-length albums, and several CD singles and EPs of original music, all recorded at Roy's Trimordial Studio in Las Vegas.  Roy is now mastering their latest recordings too.  Poppermost's influences include: The Beatles, R.E.M., The Beach Boys, Queen, Wilco, Oasis, classic '60s AM and '70s FM, The Who, Carole King, and Burt Bacharach and Hal David.  The Poppermost name originates from the early Beatles' inspirational call and response, John: "Where are we going, lads?"  Paul, George, Ringo: "To the toppermost of the poppermost, Johnny!"

Nobody Speak: Trials of the Free Press: Nobody Speak: Trials of the Free Press is a 2017 Netflix documentary directed by Brian Knappenberger.  The documentary is themed around the effects of big money on American journalism.  The documentary focuses on two incidents: Peter Thiel financing wrestler Hulk Hogan's lawsuit against Gawker Media, and casino owner Sheldon Adelson's secret purchase of the "Las Vegas Review-Journal".

Las Vegas Sun: The Las Vegas Sun is one of the Las Vegas Valley's two daily newspapers.  It is owned by the Greenspun family and is affiliated with Greenspun Media Group.  The paper published afternoons on weekdays from 1990 to 2005 and is now included as a section inside the pages of the "Las Vegas Review-Journal" but continues operating exclusively on its own website.

Supporting paragraphs: Nobody Speak: Trials of the Free Press Sheldon Adelson
Answer: Sheldon Gary Adelson