In 1968, a year prior to his family emigrating from Czechoslovakia, because of Russian occupation of Bratislava, his family moved to Vienna, where young Benca became interested in philosophy and started painting mythological themes and subjects.
V roku 1968, rok predtým ako jeho rodina z dôvodu ruskej okupácie emigrovala, presťahovali sa do Viedne, kde sa mladý Benca začal zaujímať o filozofiu a začal maľovať mytologické témy a predmety.