Ivan Dérer
Ivan Dérer was a prominent Slovak politician, lawyer, journalist and regional chairman of the Czechoslovak Social Democratic Workers' Party in Slovakia. Serving in 1920 as Minister for Administration of Slovakia, in 1939 to 1934 as Minister of Education and from 1934 to 1938 as Minister of Justice. He was one of the signers of Martin Declaration in 1918. His son, Vladimir Derer was a prominent British Labour Party activist who founded the influential Campaign for Labour Party Democracy.