Problem: Clarence White (born Clarence Joseph LeBlanc; June 7, 1944 - July 14, 1973), was an American bluegrass and country guitarist and singer. He is best known as a member of the bluegrass ensemble the Kentucky Colonels and the rock band the Byrds, as well as for being a pioneer of the musical genre of country rock during the late 1960s. White also worked extensively as a session musician, appearing on recordings by the Everly Brothers, Joe Cocker, Ricky Nelson, Pat Boone, the Monkees, Randy Newman, Gene Clark, Linda Ronstadt, Arlo Guthrie, and Jackson Browne amongst others. Together with frequent collaborator Gene Parsons, he invented the B-Bender, a guitar accessory that enables a player to mechanically bend the B-string up a whole tone and emulate the sound of a pedal steel guitar.

During 1964, White began to look beyond bluegrass music towards rock 'n' roll as an avenue for artistic expression. Although he was influenced by Country guitarists like Doc Watson, Don Reno and Joe Maphis, he also idolized the playing of jazz guitarist Django Reinhardt, rock 'n' roller Chuck Berry, and studio musician James Burton. White even anticipated the viability of a folk/rock hybrid when, in the summer of 1964, he was approached by Jim Dickson to record a version of the then-unreleased Bob Dylan song "Mr. Tambourine Man" with electric instruments. However, despite White's enthusiasm for the project, he was unable to convince his bandmates in the Kentucky Colonels of the experiment's validity and ultimately, the song was instead recorded by Dickson's proteges, the Byrds. By the time the original line-up of the Kentucky Colonels folded in late 1965, White had become a respected and well-known guitarist. Abandoning bluegrass temporarily, he switched from his Martin D-28 acoustic guitar to an electric Fender Telecaster, with the intention of becoming a studio musician like his hero James Burton. Transitioning to electric guitar required White to modify his right hand playing technique, switch from open chording to fretting the whole guitar neck with his left hand, and practice using the tone and volume controls. However, he soon mastered the intricacies of the instrument and, between 1965 and 1968, he undertook session work for artists including Ricky Nelson, the Monkees, and the Gosdin Brothers. As 1965 turned into 1966, White met Gene Parsons and Gib Guilbeau at a recording session for the Gosdin Brothers and shortly after, he began to perform live with the duo in local California clubs, as well as doing regular session work on their records, which were released under the moniker of Cajun Gib and Gene. 1966 also saw White begin playing with a country group called Trio, which featured drummer Bart Haney and former Kentucky Colonel, Roger Bush, on bass. In autumn of that year, as a result of his friendship with Gilbeau, Parsons and the Gosdin Brothers, White was asked to provide lead guitar to ex-Byrd Gene Clark's debut solo album, Gene Clark with the Gosdin Brothers. White also briefly joined Clark's touring band shortly thereafter. During the Clark album sessions, White reconnected with mandolin player and bassist Chris Hillman, who he had known during the early 1960s as a member of the bluegrass combo the Hillmen. Hillman was currently a member of the Byrds and in December 1966, he invited White to contribute countrified lead guitar playing to his songs "Time Between" and "The Girl with no Name", which both appeared on the Byrds' Younger Than Yesterday album. The country-oriented nature of the songs was something of a stylistic departure for the group and can be seen as an early indicator of the experimentation with country music that would color the Byrds' subsequent work. White also contributed guitar to the band's follow-up album, The Notorious Byrd Brothers, and to their seminal 1968 country rock release, Sweetheart of the Rodeo.

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Answer with quotes: By the time the original line-up of the Kentucky Colonels folded in late 1965, White had become a respected and well-known guitarist.

Problem: Robert Swan Mueller III (; born August 7, 1944) is an American attorney who served as the sixth Director of the Federal Bureau of Investigation from 2001 to 2013. A Republican, he was appointed by President George W. Bush; President Barack Obama gave his original ten-year term a two-year extension, making him the longest-serving FBI director since J. Edgar Hoover. He is currently head of the Special Counsel investigation of Russian interference in the 2016 United States elections and related matters. A graduate of Princeton University, Mueller served as a Marine Corps officer during the Vietnam War, receiving the Bronze Star Medal with Combat "V" for heroism and the Purple Heart Medal.

After receiving his J.D. degree in 1973 from the University of Virginia School of Law, Mueller worked as a litigator at the firm Pillsbury, Madison and Sutro in San Francisco until 1976. He then served for 12 years in United States Attorney offices. He first worked in the office of the U.S. Attorney for the Northern District of California in San Francisco, where he rose to be chief of the criminal division, and in 1982, he moved to Boston to work in the office of the U.S. Attorney's Office for the District of Massachusetts as Assistant United States Attorney, where he investigated and prosecuted major financial fraud, terrorism and public corruption cases, as well as narcotics conspiracies and international money launderers. After serving as a partner at the Boston law firm of Hill and Barlow, Mueller returned to government service. In 1989, he served in the United States Department of Justice as an assistant to Attorney General Dick Thornburgh and as acting deputy Attorney General. James Baker, with whom he worked on national security matters, said he had "...an appreciation for the Constitution and the rule of law." The following year he took charge of its criminal division. During his tenure, he oversaw prosecutions including that of Panamanian leader Manuel Noriega, the Pan Am Flight 103 (Lockerbie bombing) case, and of the Gambino crime family boss John Gotti. In 1991, he was elected a fellow of the American College of Trial Lawyers. In 1993, Mueller became a partner at Boston's Hale and Dorr, specializing in white-collar crime litigation. He returned to public service in 1995 as senior litigator in the homicide section of the District of Columbia United States Attorney's Office. In 1998, Mueller was named U.S. Attorney for the Northern District of California and held that position until 2001.

Where did he work at?

Answer with quotes:
worked as a litigator at the firm Pillsbury, Madison and Sutro in San Francisco until 1976.