2023100 Years of the Milankovic Calendar - Miniature Sheet

Milutin Milanković (Dalj, May 28, 1879 – Belgrade, December 12, 1958) was a civil engineer, mathematician, astronomer, climatologist and popularizer of science. Full professor of celestial mechanics, dean of the Faculty of Philosophy, director of the Astronomical Observatory in Belgrade and vice president of SASA, he was remembered in the history of science, first of all, for his theory about changes in the Earth,s climate over a long period of time, known as Milanković cycles, as well as the reform of the Julian calendar.