Jaroslav Foglar was born on July 6, 1907 in Prague, Austria-Hungary. He was a writer, known for Záhada hlavolamu (1969), Záhada hlavolamu (1993) and Bohemia docta aneb Labyrint sveta a lusthauz srdce (Bozská komedie) (2000). He died on January 23, 1999 in Prague, Czech Republic.