 Complete the following phrase:  Antonín Josef Novotný 10 December 1904  28 January 1975 was First Secretary of the Communist Party of Czechoslovakia from 1953 to 1968, and also held the post of President of Czechoslovakia from 1957 to 1968. An ardent hardliner, Novotný was forced to yield the reins of power to Alexander Dubček during the short-lived 