There Bydzovsky received his Ph.D. (promotion) in 1903 with thesis supervised by Karel Petr.
[3] Bydzovksy became a teacher at secondary schools, including the reálce in Prague-Karlín from 1907 to 1910 (with the title of Professor).
He was in 1930–1931 dean of the Faculty of Sciences and in 1946 rector of the Charles University in Prague.
He did research on infinite groups, the theory of matrices and determinants, and geometric configurations.
[2] He was an Invited Speaker of the ICM in 1920 in Strasbourg,[4] in 1924 in Toronto, in 1928 in Bologna, and in 1936 in Oslo.