 His father worked as an insurance agent to the south of Prague in Sedlčany, but died in 1926, after which he moved with his mother to Prague.In 1947 Miroslav Šašek left with his wife Jindřiška (née Tumlířová) to Paris and started studying at the Ecole des Beaux Arts.He finished the illustrations for the Czech edition of Chevallier's novel Zvonokosy and began to draw a tourist guide for the town for the Czech publishing house Ladislav Kuncíř, but only for preparatory work.where he worked for Radio Free Europe from 1951 to 1957.