was born in Slovakia in 1938. He graduated in 1957 from the Secondary School of Applied Arts in Bratislava, specializing in wood-carving. He showed a strong interest in theater, being a member of the student theater at Comenius University, where he presented his first Solo mime scenes.
Until 1960 he studied at the Theater Faculty of the Academy of Performing Arts in Bratislava and in Studio D 34 in Prague which was under the direction of the significant Czech avant-garde theater. During that time the director of this theater was E.F. Burian. In 1959 Milan Sladek received engagement from E.F. Burian Theater. Later he and Eduard Žlábek, the solo dancer and choreograph at D 34, created their own mime group. On 11th of March, 1960 Milan Sladek appeared on-stage for the first time with the character that he named it „KEFKA“.