Karel Pravoslav Sádlo
 Karel Pravoslav Sádlo (September 5 1898 Prague Bohemia – August 24 1971 Prague Czechoslovakia) 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 (e.g. Milos Sadlo Josef Chuchro František Smetana František Sláma Antonín Kohout).