Josef Hašek (02-03-1897 - 1981)  Important Czech chess composer

He composed endgames studies and was the contemporary of Czech endgames study composers Richard Reti and Artur Mandler. John Beasley reviewed some of his studies in BESN 14 when he mentioned the publication of Vladimir Kos's anthology "Josef Hašek – 215 šachových studií" (1998).