Jan Matzal Troska

Jan Matzal (3 August 1881 in Valašské Klobouky, Moravia - 3 September 1961 in Prague), known under pen names J. M. Troska and Jan Merfort, was a Czech writer.

After his studies Jan Matzal worked in the Škoda Works and other industrial companies. During World War I he was sent to the front because of attempt^{[citation needed]} to cover up a sabotage by factory workers. After the war Matzal lived in Yugoslavia (1921-1926), then returned to Czechoslovakia. He obtained a disability pension at the age of 49 after a lifetime of living with Ménière's disease. During years 1932–1949, he spent his time by writing.