Julius Popper

Julius Popper (December 15, 1857 – June 5, 1893), also known in Spanish as Julio Popper, was a Romanian-born Argentine engineer, adventurer and explorer. He was the designer of the modern outline of the city of Havana, Cuba.Known as a modern "conquistador" of Tierra del Fuego in southern South America, he was a controversial but influential figure. Popper was one of the perpetrators of the genocide against the native Selk'nam people.