History Channel made a marvelous broadcast about the achievements of Nikola Tesla and his contribution to mankind.
Nikola Tesla (1856-1943), an eccentric but ingenious Serbian inventor and engineer, is best remembered for his contributions to the field of electromagnetism. He developed concepts and filed patents that paved the way for modern alternating current (AC) electricity, which is still in use today. A tragic and controversial figure, Tesla was marginalized by the scientific community later in life and died nearly penniless in a New York hotel at 86.
For more information visit Britannica.com.