Gza Kresz de Szemlhegy was a Hungarian physician, founder of the Budapest Voluntary Ambulance Society and the Pest Skating Club.
Kresz was born in Pest to Carl Kresz, a son of a fruiterer from Merseburg, who fled to Hungary to avoid impressment, and a daughter of a bookseller. He was the youngest of the six children of the couple. He studied for physician and earned his medical degree in 1871 in the University of Pest.
Source: Wikipedia