27 Jul 1881 Hans Fischer - German biochemist - Awarded the Nobel Prize for Chemistry in 1930 for research into the constitution of haemin, the red blood pigment, and chlorophyll, the green pigment in plants and especially for his synthesis of haemin (1929), non-protein part of haemoglobin that gives blood its red colour.
27 July 1927 Allen K. Breed Inventor of the Ball in tube electromechanical sensor.
Events, Inventions and Patents
1880 - African-American inventor A.P. Abourne was awarded a patent for refining coconut oil.
1949 - The British De Havilland Comet, the world's first jet-propelled airliner, made its maiden flight in England.
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