John Wallaszkay

* Acsa, September 14, 1709 – † Pest, September 15, 1767 / physician, alchemist from Bratislava ; ; He obtained his medical degree from the University of Halle in 1734, after which he practiced for a while in Vienna, then settled in Bratislava. He became acquainted with alchemy during his studies abroad and found companions in Bratislava (Dávid Gömöry, Mátyás Bél, János Tomka-Szászky and others). He introduced Mátyás Bél to alchemy, who mentions his master several times in his diary entries and also reports on his experiments. He later settled in Pest, where he became the city's chief physician. His death was caused by a stroke. He probably did not make a will in time, he was unmarried, so his wealth and well-equipped library went to the royal treasury, although he had a brother, the lawyer Márton Wallaszkay, who was a family man.