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Jenő Ruffinyi
Mining engineer
Jenő Ruffinyi was a Hungarian mining engineer and amateur speleologist who, together with Gustav Lang und Andreas Méga, was the first to explore Dobšiná Ice Cave. Wikipedia
Born: March 1, 1846, Dobšiná, Slovakia
Died: January 13, 1924 (age 77 years), Dobšiná, Slovakia