Nikola Tesla was a Serbian-American inventor, physicist and expert in electrophysics. He was born in Similijan (a village in today's Croatia) in 1856. He had an extraordinary memory and spoke 6 languages. He spent 4 years working on math, physics and mechanics at Graz University of Technology, in Austria.
His scientific contributions are many and of great importance. We surely can't tell you about everything, but here are 21 pieces of information we think you didn't know and will find interesting.