Education
From 1960 to 1966 he studied at the Institut osvěty a novinářství (Faculty of Journalism) of the Charles University in Prague.
From 1960 to 1966 he studied at the Institut osvěty a novinářství (Faculty of Journalism) of the Charles University in Prague.
He is the author of 16 books printed in more than 250,000 copies. Křesťan spent his childhood in Stará Role near Karlovy Vary. From 1964 to 1993 he worked as an editor in the Mladý svět magazine.
After that, he was engaged in the Týdeník Televize.
From 2003, he works as a freelance writer During his career, he collaborated both with the Czechoslovakian Television and the Czechoslovakian Radio.