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Albert Einstein, J Robert Oppenheimer, or Stephen Hawking
Electricity powered the light bulb in the 19th century. Thomas Edison is considered to be the inventor of the modern light bulb.
Albert Einstein was one of the greatest and most famous scientific minds of the 20th century. The eminent physicist is best remembered for his theories of relativity, as well as his revolutionary notion concerning the nature of light.
there is 3,155,695,300 seconds in a century.
31,536,000 year x 100 = 3,153,600,000 in a century + 25 leap years in a century at 2,160,000 seconds = 3,155,760,000 in a century counting leap days.
transister.
i heard somewhere that the greatest invention of the 21st century is the internet.
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apple
internet
Most would consider the greatest inventions of the 20th century to be the automobile, the personal computer, and plastic.
roger federer
Levi Strauss invented belt loops. He made this invention in the year of 1933. It was considered to be a turn of the century invention.
John Nash
The computer chip (the microchip). It has totally revolutionised every aspect of modern life.The airplane.
El Greco
Diego Rivera is considered the greatest Mexican painter of the twentieth century.