Karl Davydov, Russian cellist, composer, and conductor (d. 1889)
Karl Yulievich Davydov (Russian: Карл Юльевич Давидов; 15 March [O.S. 3 March] 1838 – 26 February [O.S. 14 February] 1889) was a Russian cellist of great renown during his time, and described by Pyotr Ilyich Tchaikovsky as the "czar of cellists". He was also a composer, mainly for the cello. His name also appears in various different spellings: Davydov, Davidoff, Davidov, and more, with his first name sometimes written as Charles or Carl.