Nikola Tesla was a Serbian American inventor, electrical engineer, mechanical engineer, physicist, and futurist best known for his contributions to the design of the modern alternating current (AC) electricity supply system. Nikola Tesla was one of the most fascinating and gifted scientists and inventors from the end of the nineteenth and the beginning of the twentieth century. He had made numerous contributions to our understanding of electromagnetic interactions, and there is hardly an electrical appliance that is used today that is not based in one way or another on one of his inventions. To many people's dismay he had never been awarded the Nobel Prize, but his reputation has only increased over the years and today it eclipses many others scientists that had been deemed extraordinary in their time. As a recognition of the value of his achievements the modern physical unit for the magnetic field is called Tesla. He was also a very mysterious and colorful character, and in recent years several movies and novels featured a fictionalized portrayal of his life.