Also to be found on the other Voynich Wiki here 
Also known as Jiří Bareš, Georgius Barschius. He was born in 1585. He received his baccalaureate in 1602. He died in 1662.
Medieval European alchemist and antique collector from Prague, and the earliest confirmed owner of the Voynich Manuscript, about which he was in correspondence with Athanasius Kircher in the late 1630s, having owned the Manuscript for some time.