Abstract
Biography of important Slovak politician, sociologist, journalist and university teacher who worked in public life since the end of 19th century to the year 1948, when, as a representative of the "bourgeois" science, had to retire. He devoted his public life to the Czech-Slovak relations, he was one of the leading theorists Czechoslovakism and rural sociology.
A. Štef ánek played an important role during the first World War II, when he worked in Prague. He was responsible for the inclusion of Slovakia into the Czech political program.
After the founding of Czechoslovakia in 1918, when he worked as a referent of Education at the Ministry with full power for administration of Slovakia, he built from the ground Slovak educational system.