Alexander Dubček

Dubček was a revisionist from Czechoslovakia who was the third president of Czechoslovak socialist republic, the eigth general secretary of communist party of czechoslovakia and the main figure behind Prague Spring reforms and the "Socailism with a Human Face" project

Time as the leader

In his time as the leader of Czechoslovakia he made many liberal reforms to the system, adopting closer relations with USA, while trying to distance from USSR and liberalizing the economy which then led to the Invasion of Czechoslovakia by the Warsaw Pact