Daniell, John Frederic (1790-1845), an English scientist. He was born in London, and in 1831 was made professor of chemistry at King's College, London. He invented the dew-point hygrometer, which measures relative humidity; a pyrometer (a type of thermometer); and an electric cell called the Daniell cell. He wrote Meteorological Essays (1823) and other scientific works.
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The man immortalized on the left was behind the three laws of motion and the universal law of gravitation. He was also competitive, temperamental and fascinated with alchemy. How well do you know Newton?
The man who had some theories about relativity was also an eccentric who gleefully eschewed socks, dodged German military service and spurned social conventions.