Scientists / Physics
Nikola Tesla
RS 1856-07-10 ~ 1943-01-07
Serbian-American inventor of the late nineteenth and early twentieth centuries
Made the AC power system practical, laying the foundation of modern electrical infrastructure
A visionary engineer whose grand ambitions outstripped the financial and technological realities of his time
Serbian-American inventor born in 1856 who designed the AC power system underpinning modern electrical infrastructure. Won the War of Currents against Edison's DC approach.
What You Can Learn
Tesla's AC-versus-DC battle is the prototype of standards wars. Just as VHS beat Betamax, technical superiority alone does not guarantee victory; building an ecosystem matters. The Wardenclyffe failure shows the danger of a vision outrunning market readiness, a lesson for startups whose technology precedes demand. And Tesla's loss of patent rights, which contributed to his impoverishment, underscores the importance of protecting intellectual property.
Words That Resonate
The present is theirs; the future, for which I really worked, is mine.
If you want to find the secrets of the universe, think in terms of energy, frequency and vibration.
The scientific man does not aim at an immediate result. He does not expect that his advanced ideas will be readily taken up.
Life & Legacy
Nikola Tesla made the modern power grid possible. His alternating-current motor and polyphase system proved that electricity could be transmitted efficiently over long distances, winning the War of Currents against Edison's direct-current approach and establishing the technological basis of the electrified twentieth century.
Born in 1856 in Smiljan, then part of the Austrian Empire (present-day Croatia), he was the son of a Serbian Orthodox priest. After studying at Graz Polytechnic, he took an engineering post in Budapest, where a walk in a park reportedly triggered his insight into the rotating magnetic field.
In 1884 he emigrated to the United States and briefly worked for Edison, but their disagreement over AC versus DC led to a swift parting. Tesla founded his own company in 1887 and patented the AC induction motor. George Westinghouse licensed the patents, setting the stage for the current war. The 1893 Chicago World's Fair, illuminated by AC, and the 1895 Niagara Falls hydroelectric plant, which transmitted power to Buffalo, decisively proved AC's superiority.
The Tesla coil (1891) generated extremely high voltages and became a staple of science demonstrations, though Tesla envisioned it as a step toward wireless energy transmission. In 1899 he built a laboratory in Colorado Springs for experiments with artificial lightning and earth-conducted power. His most ambitious plan, the Wardenclyffe "World System" for global wireless power and communication, collapsed when financier J. P. Morgan withdrew support.
Tesla's method combined mathematics with visual intuition; he could simulate a finished device mentally in complete detail. In later life he pursued increasingly speculative projects and lost both credibility and financial stability. He died alone in a New York hotel room in 1943. The SI unit of magnetic flux density bears his name.
Expert Perspective
Among scientists and inventors, Tesla occupies a distinctive middle ground between pure theorist and practical engineer. Unlike Edison's trial-and-error approach, Tesla relied on mental simulation and physical intuition. He established the AC power system that became the global standard, yet his unrealized visions of wireless power and global communication networks leave his reputation oscillating between undervalued visionary and impractical dreamer.