Background: Les Paul was born Lester William Polsfuss in Waukesha, Wisconsin, to George and Evelyn (Stutz) Polsfuss. His family was of German ancestry. Paul's mother was related to the founders of Milwaukee's Valentin Blatz Brewing Company and the makers of the Stutz automobile. His parents divorced when he was a child.
Context: In 1965, Paul went into semi-retirement, although he did return to the studio occasionally. He and Ford had divorced at the end of 1964 after she got tired of touring. Paul's most recognizable recordings from then through the mid-1970s were an album for London Records/Phase 4 Stereo, Les Paul Now (1968), on which he updated some of his earlier hits; and two albums comprising a meld of jazz and country improvisation with guitar virtuoso Chet Atkins, backed by some of Nashville's celebrated studio musicians, Chester and Lester (1976) and Guitar Monsters (1978), for RCA Victor. Paul began suffering from arthritis in the mid-1960s. As he got older, the condition worsened, and in his final years he lost much of the use of his right hand except the ring and pinky fingers. In 1969, he began to lose his hearing. He had difficulty tuning guitars properly due to his ears "misinterpreting" pitch. Frustrated with the quality of most hearing aids, he set to work designing his own and was still at the job when he died. He once joked that "Audio engineers and musicians are the two kinds of people that hearing aid manufacturers fear the most." He played at slower tempos with a large pick that was easier to hold. In 2006, at the age of 90, he won two Grammy Awards at the 48th Annual Grammy Awards for his album Les Paul & Friends: American Made World Played. He also performed every Monday night with guitarist Lou Pallo, bassist Paul Nowinski (and later, Nicki Parrott), and guitarist Frank Vignola and for a few years, pianist John Colaianni. Paul, Pallo, and Nowinski performed at Fat Tuesdays and at the Iridium Jazz Club on Broadway. Composer Richard Stein sued Paul for plagiarism, charging that Paul's "Johnny (is the Boy for Me)" was taken from Stein's 1937 song "Sanie cu zurgalai" (Romanian for "Sleigh with Bells"). In 2000, a cover version of "Johnny" by Belgian musical group Vaya Con Dios that credited Paul prompted another action by the Romanian Musical Performing and Mechanical Rights Society.
Question: Did he have any complications in his later career?
Answer: Paul began suffering from arthritis in the mid-1960s.

Background: Robert James Fischer (March 9, 1943 - January 17, 2008) was an American chess grandmaster and the eleventh World Chess Champion. Many consider him to be the greatest chess player of all time. Bobby Fischer showed great skill in chess from an early age; at 13, he won a brilliancy known as "The Game of the Century". At age 14, he became the US Chess Champion, and at 15, he became both the youngest grandmaster up to that time and the youngest candidate for the World Championship.
Context: Bobby Fischer was born at Michael Reese Hospital in Chicago, Illinois, on March 9, 1943. His birth certificate listed his father as Hans-Gerhardt Fischer, also known as Gerardo Liebscher, a German biophysicist. His mother, Regina Wender Fischer, was a US citizen, born in Switzerland; her parents were Polish Jews. Raised in St. Louis, Missouri, Regina became a teacher, registered nurse, and later a physician. After graduating from college in her teens, Regina traveled to Germany to visit her brother. It was there she met geneticist and future Nobel Prize winner Hermann Joseph Muller, who persuaded her to move to Moscow to study medicine. She enrolled at I.M. Sechenov First Moscow State Medical University, where she met Hans-Gerhardt, whom she married in November 1933. In 1938, Hans-Gerhardt and Regina had a daughter, Joan Fischer. The reemergence of anti-Semitism under Stalin prompted Regina to go with Joan to Paris, where Regina became an English teacher. The threat of a German invasion led her and Joan to go to the United States in 1939. Hans-Gerhardt attempted to follow the pair but, at that time, his German citizenship barred him from entering the United States. Regina and Hans-Gerhardt had separated in Moscow, although they did not officially divorce until 1945. At the time of her son's birth, Regina was "homeless" and shuttled to different jobs and schools around the country to support her family. She engaged in political activism, and raised both Bobby and Joan as a single parent. In 1949, the family moved to Brooklyn, New York City, where she studied for her master's degree in nursing and subsequently began working in that field.
Question: what was interesting in his early years?
Answer: His mother, Regina Wender Fischer, was a US citizen, born in Switzerland; her parents were Polish Jews.

Background: Wonder Girls (Hangul: weondeogeolseu) was a South Korean girl group formed by JYP Entertainment. The group's final line-up consisted of Yubin, Yeeun, Sunmi and Hyerim. Members Sunye and Sohee officially left the group in 2015, while Hyuna left in late 2007. They were co-managed in the United States by Creative Artists Agency.
Context: In February 2008, the Wonder Girls joined their producer Park Jin-young for his month-long concert tour through Korea and the United States as special guests, where they filmed the music video for "Wishing on a Star" while in New York. Following the release of teasers for the song, a new single, "So Hot" was released on May 22, 2008. The song topped online charts soon after. In mid-2008, they performed on MBC's Show! Music Core, performing "So Hot" and "This Time". Due to a vocal cord injury, Yubin temporarily lip-synced her parts under doctor's orders. After a very short break, the Wonder Girls made a comeback in early fall 2008. The full music video for "Nobody" was revealed, and the single was digitally released simultaneously. They performed the following weekend on Show! Music Core, Music Bank and Inkigayo. The song went to No. 1 on KBS' Music Bank, staying there for four consecutive weeks, and also won Cyworld's "Song of the Month" award in September and October 2008. Like "Tell Me", "Nobody" also sparked a dance craze. At the 2008 Mnet KM Music Festival Awards, the Wonder Girls received three awards: the "Song of the Year" award, "Best Music Video" for "Nobody" and "Best Female Group". The group also won an award at the 2008 Golden Disk Awards for high digital sales. At the 18th Seoul Music Awards, the Wonder Girls won the Daesang ("Artist of the Year" award), the highest award offered, for "Nobody", in addition to two other awards. In October 2008, the Wonder Girls were signed by the Creative Artists Agency (CAA). By the end of 2008, they had earned W12 billion ($9 million US) as a group.
Question: Did the group stay together after that?
Answer:
After a very short break, the Wonder Girls made a comeback in early fall 2008.