Article Detail Who invented Laptop ? Answer: Adam Osborne in 1981. Ad Similar Questions : 1. Who invented CT scan ? Answer: Hounsfield by Britain in 1973. 2. Who invented HIV ? Answer: Dr Robert Gallo invented HIV test 3. Who invented Relativity Theory ? Answer: Einstein of Germany in 1905. 4. Who invented Safety razor ? Answer: King Camp Gillette of U.S.A. in 1903 5. Who invented Neutron ? Answer: JAMES CHADWICK in 1932 6. Who invented google ? Answer: Larry Page 7. Who invented Vitamin A ? Answer: Mc Collum and M.Davis of U.S.A. in 1913 Read more from - Important Inventions