Ladislav Mráz

Ladislav Mráz (25 September 1923 – 7 May 1962) was a Czech operatic bass-baritone who had an active career in Czechoslovakia from 1943 through 1962. His voice is preserved on a number of recordings made on the Supraphon label, including complete recordings of Bedřich Smetana's ''The Devil's Wall'' and Antonín Dvořák's ''The Specter's Bride''. Provided by Wikipedia