Question: The company Frank Graham Thompson was heir to was established in what year?

Context articles: Nikolaus Frank
The Shooting of Dan McGoo
Frank Graham (writer)
Trond Mohn
Graham Thompson (swimmer)
Redden Forest Education Center
Flying Emus
Stars (Australian band)
Richard Estes
Pennsylvania Railroad

Nikolaus Frank (born 1964) is a Swedish industrial designer MFA ID, graduated from University College of Arts, Crafts and Design (Konstfack), Department of Industrial design in 1987.
 Together with his wife Cecilia Frank he runs the design company Frank Etc. AB in Stockholm, with focus on consumer products and conceptual design based on future technology.
The Shooting of Dan McGoo is a cartoon directed by Tex Avery and starring Frank Graham as the Wolf.
 Both Avery and Bill Thompson voiced the lead character Droopy.
 Sara Berner did the speaking voice of Lou, while her singing was provided by Imogene Lynn.
 The cartoon was edited for a 1951 re-release, removing two cigarette-related gags from the film (as well as the original opening titles).
Frank Graham, Sr. (November 12, 1893 – March 9, 1965) was an American sportswriter and biographer.
 He covered sports in New York for the "New York Sun" from 1915 to 1943 and for the "New York Journal-American" from 1945 to 1965.
 He was also a successful author, writing biographies of politician Al Smith and athletes Lou Gehrig and John McGraw, as well as histories of the New York Yankees, New York Giants and Brooklyn Dodgers.
 Graham's writing style was notable for his use of lengthy passages of "unrelieved dialogue" in developing portraits of the persons about whom he wrote.
 Graham was posthumously inducted into the "writers wing" of the National Baseball Hall of Fame and Museum in 1972.
 He was also posthumously honored in 1997 by the Boxing Writers Association of America with its highest honor, the A.J. Liebling Award.
Trond Mohn (born 3 April 1943) is a Norwegian businessman and philanthropist.
 He is the owner and chief executive officer (CEO) of the family-owned company Frank Mohn AS.
 Trond Mohn lives in Bergen, where his business is based.
Graham Thompson (born 2 May 1964) is a Zimbabwean swimmer.
 He competed in four events at the 1988 Summer Olympics.
The Redden Forest Complex is located in Redden State Forest, Sussex County, Delaware.
 Now known as the Redden Forest Education Center, the complex includes three Shingle style buildings built in 1900-1902 as a hunting retreat for Pennsylvania Railroad heir Frank Graham Thompson.
 The complex was served by a specially built railroad siding in Redden Crossroads.
 The camp fell into disuse during the Great Depression and was acquired by the state of Delaware in the 1930s.
 It saw use by the Civilian Conservation Corps, then the complex and the surrounding property were designated Redden State Forest in 1937.
Flying Emus were an Australian country/bluegrass band.
 They won the 1988 ARIA Music Award for Best Country Album for their album "This Town".
 They won CMAA Country Music Awards in 1986 (Instrumental of the Year and Vocal Group or Duo of the Year), 1987 (Instrumental of the Year and Vocal Group or Duo of the Year), 1988 (Instrumental of the Year) and 1991 (Instrumental of the Year).
 Members include Mike Kerin, Ian Simpson, John Kane, Genni Kane, Graham Thompson (ex-Stars), Malcolm Wakeford, Hanuman Dass, Michael Vidale and Wayne Goodwin.
Stars were an Australian country rock band formed in Adelaide, South Australia in 1975 and disbanded in 1979.
 Founding members were Glyn Dowding on drums; Malcolm Eastick on guitar and vocals; Mick Pealing on vocals; and Graham Thompson on bass guitar.
 They were joined by guitarist, songwriter, Andrew Durant in 1976 and relocated to Melbourne.
 Thompson then left and was replaced by a succession of bass guitarists including Roger McLachlan (ex-Little River Band) and Ian McDonald.
Richard Estes (born May 14, 1932 in Kewanee, Illinois) is an American artist, best known for his photorealist paintings.
 The paintings generally consist of reflective, clean, and inanimate city and geometric landscapes.
 He is regarded as one of the founders of the international photo-realist movement of the late 1960s, with such painters as John Baeder, Ralph Goings, Chuck Close, Audrey Flack, and Duane Hanson.
 Author Graham Thompson writes "One demonstration of the way photography became assimilated into the art world is the success of photorealist painting in the late 1960s and early 1970s.
 It is also called super-realism or hyper-realism and painters like Richard Estes, Denis Peterson, Audrey Flack, and Chuck Close often worked from photographic stills to create paintings that appeared to be photographs."
The Pennsylvania Railroad (reporting mark PRR) (or Pennsylvania Railroad Company and also known the "Pennsy") was an American Class I railroad that was established in 1846 and was headquartered in Philadelphia, Pennsylvania.
 It was called the Pennsylvania Railroad because it was established in the state of Pennsylvania.