Vinko Dvořák (January 21, 1848 – May 6, 1922) was a Czech-Croatian physicist, professor and academician. He studied mathematics and physics at the Charles University in Prague, and after graduating he became an assistant to professor Ernst Mach. After obtaining his doctorate in Prague in 1873/1874 he came to Zagreb (at the time also part of Austria-Hungary) and founded the Physics Cabinet at the Faculty of Philosophy in 1875. Dvořák made many important discoveries in the field of experimental acoustics and optics, which are known as the Dvořák-Rayleigh current, the Dvořák acoustic repulsion, a