Question: Who was the more famous musician, Jack Russell or John Lennon (John Winston Ono Lennon)?

Context articles: John Lennon
Jack Russell (musician)
Sean Lennon
John Lennon Museum
John Lennon/Plastic Ono Band
Parson Russell Terrier
Hold On (John Lennon song)
American Russell Terrier Club
Isolation (John Lennon song)
S.I.R. John Winston Ono Lennon

John Winston Ono Lennon, {'1': ", '2': ", '3': ", '4': "} (born John Winston Lennon; 9 October 19408 December 1980) was an English singer, songwriter, musician, and activist who co-founded the Beatles, the most commercially successful and musically influential band in the history of popular music.
 He and fellow member Paul McCartney formed a much-celebrated songwriting partnership.
Jack Russell (born December 5, 1960), is an American rock vocalist.
 He is a founding member of the American hard rock band Great White.
Sean Taro Ono Lennon (Japanese: 小野 太郎 , Hepburn: Ono Tarō , born October 9, 1975) is an American singer, songwriter and actor.
 He is the son of John Lennon and Yoko Ono.
John Lennon Museum (ジョン・レノン・ミュージアム , Jon Renon Myūjiamu ) was a museum located inside the Saitama Super Arena in Chūō-ku, Saitama, Saitama Prefecture, Japan.
 It was established to preserve knowledge of John Lennon's life and musical career.
 It displayed Lennon's widow Yoko Ono's collection of his memorabilia as well as other displays.
 The museum opened on October 9, 2000, the 60th anniversary of Lennon’s birth, and closed on September 30, 2010, when its exhibit contract with Yoko Ono expired.
 A tour of the museum began with a welcoming message and short film narrated by Yoko Ono (in Japanese with English headphones available), and ended at an avant-garde styled "reflection room" full of chairs facing a slide show of moving words and images.
 After this room there was a gift shop with John Lennon memorabilia available.
John Lennon/Plastic Ono Band is the debut studio album by English rock musician John Lennon.
 It was released in 1970, after Lennon had issued three experimental albums with Yoko Ono and "Live Peace in Toronto 1969", a live performance in Toronto credited to the Plastic Ono Band.
 The album was recorded simultaneously with Ono's debut avant garde solo album, "Yoko Ono/Plastic Ono Band", at Ascot Sound Studios and Abbey Road Studios using the same musicians and production team and nearly identical cover artwork.
The Parson Russell Terrier is a breed of small white terrier that was the original Fox Terrier of the 18th century.
 The breed is named after the person credited with the creation of this type of dog, the Reverend John "Jack" Russell.
 It is the recognised conformation show variety of the Jack Russell Terrier and was first recognised in 1990 in the United Kingdom as the Parson Jack Russell Terrier.
 In America, it was first recognised as the Jack Russell Terrier in 1997.
 The name was changed to its current form in 1999 in the UK and by 2008 all international kennel clubs recognised it under the new name.
"Hold On" is a song from the album "John Lennon/Plastic Ono Band" by John Lennon.
 It features only vocals, tremolo guitar, drums, and bass guitar, typical of the sparse arrangements Lennon favoured at the time.
 On the 2000 reissue of "John Lennon/Plastic Ono Band", "Hold On" features a slightly longer introduction.
 The original version was restored on the 2010 reissue.
The American Russell Terrier Club (formerly named the English Jack Russell Terrier Club), founded by JoAnn Stoll in 1995, was the first registry in the United States to maintain the Russell Terrier as a separate breed from the Parson Russell Terrier.
 The American Jack Russell Terrier Club is affiliated with both the United Kennel Club and the American Kennel Club.
 The purpose of the early founders was to establish a registry for the perpetuation and development of the Russell Terrier as a pure strain of working Jack Russell Terrier keeping their blood and type pure within the registry to works towards Kennel Club recognition as an official breed in the US.
 On January 1, 2001, the United Kennel Club recognized the Russell Terrier as an official breed, designating only the stock from the American Russell Terrier Club as Foundation stock for the UKC Russell Terrier.
 In 2004 the American Russell Terrier Club submitted an official request to include the American Russell Terrier Club stock into the AKC FSS Program to work towards becoming an official breed under the perimeters.
 On December 8, 2004, the AKC officially accepted the Russell Terrier.
"Isolation" is a 1970 song appearing on John Lennon's first official solo album release, "John Lennon/Plastic Ono Band".
 It ends side one of the album, and is the fifth track.
 In the Philippines Apple Records released "Isolation" as the b-side to "Mother", the single off "John Lennon/Plastic Ono Band", in contrast to most countries where the b-side was Yoko Ono's "Why."
 It was also released on an EP in Mexico along with "Mother," "Look at Me'" and "My Mummy's Dead."
S.I.R. John Winston Ono Lennon is a bootleg album of rehearsals before a concert of British musician John Lennon and his wife Yoko Ono, recorded in studio in late August 1972.