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James Watt was a Scottish mechanical engineer, inventor, and chemist. The improvements he made to the Newcomen machine gave rise to what is known as the steam engine, which would be essential in the development of the first Industrial Revolution, both in the United Kingdom and in the rest of the world. -
Alexander Graham Bell was a British-born American scientist, inventor, and speech therapist. Contributed to the development of telecommunications. -
James Dewar was a Scottish physicist and chemist. He is known both for being the inventor of the insulating tank that bears his name, the Dewar glass, and for his studies of gases at low temperatures, being the first to obtain liquid hydrogen in 1898, and solid hydrogen in 1899. In 1905 he discovered that cold coal could produce a vacuum, a technique that was very useful for experimentation in atomic physics. -
William Ramsay was a British chemist who received the Nobel Prize in Chemistry in 1904. After he and John William Strutt discovered radon, Ramsay investigated other atmospheric gases. -
John Logie Baird was a Scottish inventor, electrical engineer, and innovator. He is recognized as the inventor of electromechanical television and on January 26, 1926, he made the world's first demonstration of the television system. -
Alexander Fleming was a British doctor and scientist famous for being the discoverer of penicillin, by casually observing its antibiotic effects on a bacterial culture, it was obtained from the fungus Penicillium notatum. -
William Cumming Rose was an American biochemist and nutritionist. He discovered the amino acid threonine and his research determined the need for essential amino acids in the diet.