John of Jenstein
Archbishop of Prague
Jan of Jenštejn (also John of Jenstein; Czech: Jan z Jenštejna; 1348 – 17 June 1400) was a Bohemian archbishop, composer and poet. From 1379 to 1396 he was the Archbishop of Prague. He studied in Bologna, Padua, Montpellier and Paris.
Read more about this composer on Wikipedia.