· Susruthan : Plastic surgery
· Micro biology : Luis Pastor
· Modern Journalism : John Walter
· Electricity : Michael Faraday
· Mechanics : Galileo Galili
· Telephone : Alexander Graham bell
· News paper : John bell
· Chemistry : Robert byle
· Atom bomb : Robert Oppenheimer
· Railways : George Stephenson
· Television ;John Bird(1926 Black$ white) (1928 colour)
· Refrigerator :James Harrisson $Alexander Cathelin1850
· Mobile Phone : Martin Cooper
· Television Remote Control :Robert Adler
· Father of cooperation : Robert Oven
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