Mihailo Petrović

Mihailo Petrović Alas, was an influential Serbian mathematician and inventor. He was also a distinguished professor at Belgrade University, an academic, fisherman, writer, publicist, musician, businessman, traveler and volunteer in the Balkan Wars, the First and Second World Wars. He was a student of Henri Poincaré, Paul Painlevé, Charles Hermite and Émile Picard. Petrović contributed significantly to the study of differential equations and phenomenology, founded Engineering mathematics in Serbia, and invented one of the first prototypes of a hydraulic analog computer.