Facts: - instrument: cello - death place: prague , czechoslovakia - years active: 1920 -- 1965 - birth name: karel pravoslav sadlo - death date: 24 august 1971 - genre: classical - birth date: 5 september 1898 - name: karel pravoslav sadlo - background: non_vocal_instrumentalist - birth place: czechoslovakia prague - occupation: cellist , cello pedagogue Based on these bullet points, write a short biography describing the life of karel pravoslav sadlo .
karel pravoslav sadlo -lrb- september 5 , 1898 prague , bohemia -- august 24 , 1971 prague , czechoslovakia -rrb- was a czech cellist and significant cello pedagogue .between 1929 -- 1961 , he was the teacher of the majority of czech cellists and tutored a large number of leading soloists and chamber music performers -lrb- e.g. milos sadlo , josef chuchro , frantisek smetana , frantisek slama , antonin kohout -rrb- .he was a teacher at the conservatoire , dean of the faculty of music of the academy of performing arts in prague and a juror at prestigious performers ' competitions .his music publishing -lrb- '' edition sadlo '' , since 1928 -rrb- as well as his new way of playing the cello -lrb- his book on cello technique was published in 1925 -rrb- had a lasting influence on the development of modern czech music .