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Professor of physics and mechanics at the Military Academy (1887), later professor of experimental physics at the Great School and the University of Belgrade.
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Dean of the Faculty of Philosophy (1909–1913) and Rector of the University of Belgrade (1913–1921).
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Close associate and promoter of Nikola Tesla’s work; author of the book Nikola Tesla and His Discoveries (1894).
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First to introduce X-ray equipment in Serbia (1899) and to establish the first radio connection in the country (1904).
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Founder of the Library for General and Applied Physics (1905), a major advocate of science popularization.
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Pioneer of industrial and transport refrigeration; co-founder of the International Institute of Refrigeration (1909).
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Author of the first preserved color photograph and the photo monograph Serbia in Pictures (1902).
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Bequeathed his property in Negotin to the local grammar school to support the education of talented and underprivileged students.
