1. alexander fleming-penicillin
-alexander fleming (A.D. 188 1- 1955), male, a British bacteriologist, first discovered penicillin, which was further improved by British pathologist freire and German biochemist Ernst Boris ernst boris chain, and was successfully used to treat human diseases. Three people won the Nobel Prize in Physiology or Medicine. The discovery of penicillin is that mankind has found a powerful bactericidal drug, ending the era when infectious diseases are almost incurable; Since then, there has been an upsurge in the search for new antibiotics, and mankind has entered a new era of synthesizing new drugs. Among the 65,438,000 celebrities who influenced the course of human history written by American scholar Mark Hart, Fleming ranked 43rd.
2. laszlo Barrow ballpoint pen
-Laszlo Bairo (1899- 1985), Hungarian inventor, sculptor, painter and journalist. Inventor of ballpoint pen. Laszlo Baylor named the ballpoint pen he invented in 1938 after himself. When working as a reporter in Budapest, laszlo Barro saw a magazine printer using a quick-drying ink. The former painter and sculptor had the idea of inventing a pen that could quickly dry handwriting. Soon, in order to avoid the threat of Nazi invasion, Byro was forced to flee to Hungary. Later, while in exile in Argentina, he and his brother Jorge continued to improve the pen. It became the current ballpoint pen. Laszlo Barrow's ballpoint pen was quickly adopted by the Royal Air Force, and pilots used it as a writing tool for range calculation. Even if the air pressure and altitude change in flight, this pen will not leak ink like a fountain pen. During the Second World War, the "Baylor" pen was very popular in the British and American armies. Ballpoint pens have achieved great success, and now hundreds of millions of "Bailuo" pens are sold every year.
3. Werner von Siemens Generator
-Ernst Werner von Siemens (1816 65438+February13-1892 65438+February 6), a world-famous German inventor, entrepreneur and physicist, laid down and laid down.
4. karl friedrich Benz-car (internal combustion engine running)?
-Karl karl friedrich benz (1844165438+1October 25th-1April 4th, 929), one of the founders of the famous German Daimler-Benz automobile company and one of the pioneers of the modern automobile industry, was called "the father of automobiles". ?
5. Alexander Graham Bell-Telephone
-Alexander Graham Bell (1March 3, 847-1August 2, 922) American inventor and entrepreneur. He obtained the patent right of the world's first available telephone and founded the Bell Telephone Company (AT & amp； The predecessor of t company). There is still controversy about the inventor of the telephone. On June 5th, 2002, the US Congress decided that antonio meucci, an Italian, was the inventor of the telephone, while the Canadian Parliament passed a resolution on June 2nd, 2002, reaffirming that Bell was the inventor of the telephone, while others thought that Elisha Gray was the inventor of the telephone.
6. Guillermo Marconi-wireless telegraph
-Guillermo Marconi (1874- 1937), Italian radio engineer, entrepreneur and founder of practical wireless telegraph communication. 1874 was born in bologna, Italy. His family is very rich and he studies under the guidance of a tutor. During his study in Bologna University, he used electromagnetic waves to conduct a radio communication experiment with a distance of about 2 kilometers, which was successful. 1937 is dead. 1897, Marconi wireless telegraph company was established in London. 1909 won the nobel prize in physics with Braun, and was called "the father of radio". (1943, the US Supreme Court revoked Marconi's original judgment and ruled that Tesla was the inventor of radio. ) ?
7. Alfred bernhard Nobel-Explosives?
-Alfred bernhard Nobel (183365438+1October 21-kloc-0/89665438+February 10), a Swedish chemist, engineer, inventor, military equipment manufacturer, etc. Nobel has 355 patented inventions in his life, and has opened about 100 companies and factories in 20 countries on five continents, such as Europe and America, and accumulated huge wealth.
8. Thomas Alva Edison-electric light
-Thomas Alva Edison (1February 84711-1931October 18) was born in Milan, Ohio and died in West Orange, New Jersey, USA. Inventors and entrepreneurs. Edison was the first person in human history to use a large number of production principles and electrical engineering research laboratories to patent inventions, which had a great and far-reaching impact on the world. His invention of the phonograph, movie camera and electric light had a great influence on the world. He had more than 2,000 inventions and 1000 patents in his life.
9. Gilles Paythorne de Roberval scale?
-Gilles Personne de Robeval (1602- 1675), a famous French mathematician, physicist and mechanical designer, submitted his watch case scale to the Paris Academy of Sciences in 1670.
10. igor ivanovich sikorsky company-the first practical helicopter.
-Igor Ivanovich Sikorsky (1May 25th, 889-19721October 26th), a world-famous aircraft designer and one of the founders of aviation manufacturing, has made considerable contributions to world aviation all his life, the most famous of which is the design and manufacture of the world's first large four-engine bomber and the world's first practical helicopter.
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