Question: What founder of ABKCO Music & Records Incorporated had legal fights with the Rolling Stones?

full_context: Document 1: Gimme Shelter (1970 film): Gimme Shelter is a 1970 documentary film directed by Albert and David Maysles and Charlotte Zwerin chronicling the last weeks of The Rolling Stones' 1969 US tour which culminated in the disastrous Altamont Free Concert. The film is named after "Gimme Shelter", the lead track from the group's 1969 album "Let It Bleed". The film was screened at the 1971 Cannes Film Festival, but was not entered into the main competition.
Document 2: Dig!: Dig! is a documentary film directed by Ondi Timoner, and produced by Timoner, Vasco Nunes and David Timoner. Compiled from seven years of footage, it contrasts the developing careers and love–hate relationship of the bands The Dandy Warhols and The Brian Jonestown Massacre and the bands' respective frontmen Courtney Taylor-Taylor and Anton Newcombe. It won the Documentary Grand Jury Prize at the 2004 Sundance Film Festival.
Document 3: Charlie: The Life and Art of Charles Chaplin: Charlie: The Life and Art of Charles Chaplin is a 2003 American biographical documentary film written and directed by film critic Richard Schickel. The film explores the personal and professional life of the British actor, comedian and filmmaker, Charlie Chaplin, as well as his legacy and influence. It is narrated by Sydney Pollack along with many Hollywood personalities appearing in the film talking about Chaplin, including Robert Downey Jr., Norman Lloyd, Bill Irwin, Woody Allen, Johnny Depp, Richard Attenborough, Martin Scorsese, Miloš Forman, Marcel Marceau, David Raksin, Claire Bloom, David Thomson, Andrew Sarris, Jeanine Basinger and Chaplin's children Geraldine, Michael and Sydney Chaplin. The documentary also benefits from insight from key Chaplin biographers David Robinson and Jeffrey Vance.
Document 4: The Rolling Stones Rock and Roll Circus (album): The Rolling Stones Rock and Roll Circus is the fifth release of The Rolling Stones music by former manager Allen Klein's ABKCO Records (who gained control of the band's Decca/London material in 1970) after the band's departure from Decca and Klein. Released in 1996, "The Rolling Stones Rock and Roll Circus" is a live album that captures the taping of their ill-fated 1968 TV special, which was not broadcast until decades later.
Document 5: Protected (film): Protected is a 1975 documentary film, narrated by Don Brady and Sydney born producer Robert Hughes. The film was directed by Alessandro Cavadini. It was an exposé of the ill-treatment of Aboriginal workers by white men. The details of what life was like for Aboriginal Australians on Palm Island became more widely known when Alessandro Cavadini and Carolyn Strachan recreated the strike in 1957 by hundreds of the Island’s residents even though there was huge resistance from local authorities.
Document 6: Hot Rocks 1964–1971: Hot Rocks 1964–1971 is the first compilation album of Rolling Stones music released by former manager Allen Klein's ABKCO Records (who gained control of the band's Decca/London material in 1970) after the band's departure from Decca and Klein. Released in late 1971, it proved to be The Rolling Stones' biggest-selling release of their career and an enduring and popular retrospective.
Document 7: The First Film: The First Film is a 2015 British documentary film about cinema pioneer Louis Le Prince, made by David Nicholas Wilkinson. It asserts that Le Prince, rather than the Lumiere brothers, was the true inventor of moving pictures, making his first film in Leeds in 1888 before his mysterious disappearance in 1890.
Document 8: The Professor (film): The Professor is a 1919 American silent comedy film made at the Chaplin Studios for the First National film company starring Charlie Chaplin. However, the film was never released or even completed. Chaplin abandoned production after finishing only one scene. The remaining film is included in "Unknown Chaplin" and on the Criterion Collection "Limelight" Blu-ray and release.
Document 9: Brian Epstein: Brian Samuel Epstein ( ; 19 September 1934 – 27 August 1967) was an English music entrepreneur who managed the Beatles. Epstein first discovered the Beatles in November 1961 during a lunchtime performance at The Cavern Club. He was instantly impressed and saw great potential in the group. Epstein was rejected by nearly all major recording companies in London, until he secured a meeting with George Martin, head of EMI's Parlophone label. In May 1962, Martin agreed to sign the Beatles, partly because of Epstein's conviction that the group would become internationally famous.
Document 10: Allen Klein: Allen Klein (December 18, 1931 July 4, 2009) was an American businessman, music publisher, writers' representative, filmmaker and record label executive, most noted for his tough persona and aggressive, innovative negotiation tactics, many of which established higher industry standards for compensating recording artists. He founded ABKCO Music & Records Incorporated. Klein revolutionized the income potential of recording artists, who previously had been routinely victimized by onerous record company contracts. He first scored massive monetary and contractual windfalls for Buddy Knox and Jimmy Bowen, one-hit rockabillies of the late 1950s, then parlayed his early successes into a position managing Sam Cooke, and eventually managed the Beatles and the Rolling Stones simultaneously, along with many other artists, becoming one of the most powerful individuals in the music industry during his era.
Document 11: Alan McGee: Alan McGee (born 29 September 1960) is a Scottish businessman and music industry executive. He has been a record label owner, musician, manager, and music blogger for "The Guardian". He is best known for co-founding and running the independent Creation Records label from 1983 to 1999, and the Poptones label from 1999 to 2007. He has managed or championed successful acts such as The Jesus and Mary Chain, Primal Scream, My Bloody Valentine, Oasis, and The Libertines. He was also the lead singer and guitarist for the indie pop group Biff Bang Pow!, who were active from 1983 to 1991.
Document 12: ABKCO Records: ABKCO Music & Records, Inc. (ABKCO acronym of Allen & Betty Klein and COmpany) is an American major independent record label, music publisher, and film and video production company. It owns and or administers the rights to music by Sam Cooke, the Rolling Stones, the Animals, Herman's Hermits, Marianne Faithfull, Dishwalla, the Kinks as well as the Cameo Parkway label, which includes recordings by such artists as Chubby Checker, Bobby Rydell, the Orlons, the Dovells, Question Mark & the Mysterians, the Tymes and Dee Dee Sharp. Until 2009, ABKCO administered Philles Records and its master recordings, including hits by the Righteous Brothers, the Ronettes, the Crystals and others (via a licensing deal with EMI Music Publishing, which owned the Philles catalog since the mid-1990s).
Document 13: Charlie Is My Darling (film): Charlie Is My Darling, directed by Peter Whitehead and produced by the Rolling Stones' manager Andrew Loog Oldham, was the first documentary film about the Rolling Stones. It was intended as a screen test for the band, to see how their musical charisma would translate into film. The footage was shot during the band's second tour of Ireland that year, on 3 and 4 September 1965, and was finished in the spring of 1966. It was given its premiere at the Mannheim Film Festival in October 1966. But the film was never officially released, due to the legal fights between the Rolling Stones and Allen Klein and a burglary in Andrew Loog Oldham's office, which saw all prints disappear.
Document 14: Peter Brown (music industry): Peter Brown is an American-based English businessman. After Brian Epstein recruited Brown to run the Epstein's music store in Liverpool, he became part of the Beatles' management team. He remained Epstein's and the Beatles' personal assistant until the band's dissolution. He helped found and served as board member of Apple Corps and assumed Epstein's duties after the manager's death. He went on to establish many companies and resides in New York City.
Document 15: Bob Donnelly: Bob Donnelly is an entertainment lawyer who has represented clients including Esperanza Spalding, Bootsy Collins, the creators of Woodstock, and many more. Donnelly has been awarded 41 platinum albums. He has acted as in-house legal counsel for Leber-Krebs, who managed the careers of Aerosmith, AC/DC, and Def Leppard. In 2004 Donnelly and Dan Coleman launched Modern Works Music Publishing, an independent music publishing administration company whose initial clients were John Legend and his co-writers.
ground_truth: Allen Klein