Ljubomir Kleri%C4%87
Ljubomir Kleri was a Serbian mining engineer, mathematician, inventor, professor of mechanics, academician and Minister of Education and the economy of Serbia.
He was born on 1844 in Subotica. After primary school, he moved with his family to Belgrade, at capital of Serbia. In 1862, he finished First mens Belgrade Secondary School and enrolled at the Faculty of Engineering of the Great School, where he completed two years of study.
Source: Wikipedia