Adhesive tape, Scotch
: Richard Drew; 1930; USA
Aeroplane
: Orville & Wilbur Wright; 1903; USA
Air conditioning
: Carrier; 1902; USA
Atomic bomb
: J Robert Oppenheimer; 1945; USA
automatic rifle
: John Browning; 1918; USA
ballpoint pen
: John J loud; 1888; USA
bifocal lens
: Benjamin Franklin; 1780; USA
burglar alarms
: Edwin T. Holmes; 1858; USA
camera, Kodak
: Walker Eastman; 1888; USA
Cloning, DNA
: Herbert W. Boyer, Stanley N. Cohen, and Paul Berg,; 1973; USA
Compact disc
: RCA; 1972; USA
Crossword puzzle
: Arthur Wynne; 1913; USA
Electric flat iron
: H.W. Seeley; 1882; USA
Electric lamp
: Thomas Alva Edison; 1879; USA
Electric motor (AC)
: Nikola Tesla; 1888; USA
Electric iron
: Henry W.Seely; 1882; USA
Electric washing machine
: Alva J Fisher; 1906; USA
Film (musical sound)
: Dr Le de forest; 1923; USA
Floppy disk
: IBM; 1970; USA
Frequency modulation
: EH Armstrong; 1933; USA
Frisbee
: Walter Frederick Morrison; 1948; USA
Fountain pen
: Lewis E. Waterman; 1884; USA
Gramophone
: Thomas Alva Edison; 1878; USA
Hydrogen bomb
: Edward Teller; 1952; USA
Laser
: Theodore Maiman; 1960; USA
Lift (mechanical)
: Elisha G Otis; 1852; USA
Lightning conductor
: Benjamin Franklin; 1752; USA
Microphone
: Alexander Graham Bell; 1876; USA
Microprocessor
: Robert Noyce & Gordon Moore; 1971; USA
Microwave oven
: Percy LeBaron Spencer; 1947; USA
Movie projector
: Thomas Alva Edison; 1593; USA
MRI
: Raymond Damadian; 1971; USA
Neutron bomb
: Samuel Cohan; 1958; USA
Nylon
: Dr Wallace H Carothers; 1937; USA
Photocopier
: Chester Carlson; 1938; USA
Photo film, celluloid
: Reichenbach; 1893; USA
Photo film, transparent
: George Eastman; 1884; USA
Photography (on film)
: John Carbutt; 1888; USA
Pistol, revolver
: Samuel Colt; 1836; USA
Plutonium fission
: Kennedy, whal,Seaborg,Segre; 1940; USA
Pop-up toaster
: Charles Strite; 1927; USA
Printing (rotary)
: Richard Hoe; 1846; USA
Printing (Web)
: William Bullock; 1865; USA
Radar
: AH Taylor and Leo C Young; 1922; USA
Radiocarbon dating
: Willard Libby; 1947; USA
Radio telegraphy
: Dr Mohlon Loomis; 1864; USA
Razor (electric)
: Col Jacob Schick; 1931; USA
Razor (safety)
: King C Gillette; 1895; USA
Refrigerator
: James Harrison, Alexandre catlin; 1850; USA
Rubber (Vulcanised)
: Charles Goodyear; 1841; USA
Safety pin
: Walter Hunt; 1849; USA
Safety razor
: King camp Gillette; 1903; USA
Self-starter
: Charles F Kettering; 1911; USA
Skyscraper
: W Le Baron Jenny; 1882; USA
Submarine
: David Bushnell; 1776; USA
Super Computer
: J.H Van Tassel; 1976; USA
Synthesiser
: Moog; 1964; USA
Telegraph code
: Samuel FB Morse; 1837; USA
Telephone, cellular
: Bell Labs; 1947; USA
Telephone (perfected)
: Alexander Graham Bell; 1876; USA
Television (electronic)
: P.T Farnsworth; 1927; USA
Transistor
: Bardeen, Shockley & Brattain; 1948; USA
Uranium fission, atomic reactor
: Szilard Fermi; 1942; USA
Vacuum cleaner
: Spangler; 1907; USA
Videotape
: Charles Ginsberg; 1956; USA
Washing machine(elec)
: Hurley Machine co; 1907; USA
Welder (electric)
: Elisha Thomson; 1877; USA
Zip Fastener
: W.L Judson; 1891; USA
Cloning, mammal
: Ian Wilmut's; 1996; UK
Velcro(hook-and-loop-fastner)
: Geprges de Mestral; 1948; Switzerland
Seatbelt
: Volvo engineer Nils Bohlin ; 1959; Sweden
Periodic table
: Mendeleyev; 1869; Russia
Aerosol spray
: Erik Rotheim; 1926; Norway
Proton
: Rutherford; 1919; New Zealand
Artificial heart
: William Kolff; 1957; Netherlands
Microscope
: Z.Janssen; 1590; Netherlands
Telescope
: Hans Lippershey; 1608; Netherlands
Compact disc player
: Sony, Philips co; 1979; Japan, Netherlands
Cassette videotape
: Sony; 1969; Japan
barometer
: Evangelista Torricelli; 1644; Italy
battery(electric)
: Alessandro Volta; 1800; Italy
Electroplating
: Luigi Brugnatelli; 1805; Italy
Piano
: Cristofori; 1709; Italy
Radio telegraphy (trans Atlantic)
: G Marconi; 1901; Italy
Watch
: Bartholomew Manfredi; 1462; Italy
Wireless (telegraph the)
: G Marconi; 1896; Italy
Cassette, Audio
: Philips company ; 1963; Holland
Disc, video
: Phillips company; 1972; Holland
Aeroplane, jet engine
: Hans von Ohain; 1939; Germany
ballistic missile
: Wernher von Braun; 1944; Germany
Bunsen Burner
: Robert Wilhelm Bunsen:; 1855; Germany
car(Petrol)
: Karl Benz; 1888; Germany
Carburetor
: Gottlieb Daimler; 1876; Germany
Chemotherapy
: Ehrlich; 1909; Germany
Diesel engine
: Rudolf Diesel; 1895; Germany
Film (talking)
: J. Engl, J.Mussolle & H Vogt; 1922; Germany
Microscopes, elect
: Ernst Ruska, Max Knoll; 1931; Germany
Motorcycle
: Gottlieb Daimler; 1885; Germany
Optical fiber
: Narinder Singh Kapany; 1955; Germany
Photoelectric cell
: Julius Elster, Hans F Geitel; 1893; Germany
Printing press
: Johann Gutenberg; 1455; Germany
Quantum theory
: Max Planck ; 1900; Germany
Relativity theory
: Einstein; 1905; Germany
x-ray
: W.K Roentgen; 1895; Geremany
Stethoscope
: Laennec; 1819; French
Adding machine
: Pascal; 1642; France
Airship(non-rigid)
: Henri Giffard; 1852; France
balloon
: Jacques & Joseph Montgolfier; 1783; France
canned food
: Nicolas Appert; 1804; France
Car(Steam)
: Nicolas Cugnot; 1769; France
Cinema
: Nicolas and Jean Lumiere; 1895; France
Film (moving outlines)
: Louise Prince; 1885; France
Galvanometer
: Andre-Marie Ampere; 1834; France
Intelligence testing
: Alfred Binet ; 1905; France
Neon lamp
: George Claude; 1910; France
Pasteurization
: Lewis Pasteur; 1867; France
Photography (on metal)
: J.N. Niepce; 1826; France
Ship (steam)
: IC Perier; 1775; France
Telegraph
: M Lammond; 1787; France
Acetylene Gas
: Edmund Davy; 1836; England
Tape recorder
: Fessenden Poulsen; 1899; Denmark
Clock (Mechanical)
: I Hsing & Liang Ling Tsan; 1725; China
atomic numbers
: Moseley; 1913; Britain
atomic theory
: Dalton; 1803; Britain
bicycle
: Kirkpatrick Macmillan; 1839-40; Britain
bicycle tyres (pneumatic)
: John Boyd Dunlop ; 1888; Britain
bleaching powder
: Tennant; 1798; Britain
calculus
: Isaac Newton; 1670; Britain
Celluloid
: Alexander Parkes; 1861; Britain
Cement (Portland)
: Joseph Aspdin; 1824; Britain
Chronometer
: John Harrison; 1735; Britain
CT Scan
: Godfrey Hounsfield; 1973; Britain
Disc brakes
: Dr. F Lanchester; 1902; Britain
Electromagnet
: William Sturgeon; 1824; Britain
Electron
: Thomson J; 1897; Britain
Electronic computer
: Dr Alan M turning; 1824; Britain
Facsimile machine
: Alexander Bain; 1843; Britain
Fibre-optics
: Narinder Singh Kapany; 1955; Britain
Glider
: Sir George Cayley; 1853; Britain
Holography
: Dennis Gabor; 1947; Britain
Jet engine
: Sir Frank Whittle; 1937; Britain
Logarithms
: John Napier; 1614; Britain
Loom, power
: Edmund Cartwright; 1785; Britain
Machine gun
: Richard Jordan Gatling; 1718; Britain
Neutron
: James Chadwick,; 1932; Britain
Photography (on paper)
: W.H. Fox Talbot; 1835; Britain
Rayon
: Sir Joseph Swan; 1883; Britain
Rubber (latex foam)
: Dunlop Rubber Co.; 1928; Britain
Rubber (Tyres)
: Thomas Hancock; 1846; Britain
Rubber (waterproof)
: Charles Macintosh; 1823; Britain
Ship (turbine)
: Hon Sir C Parson; 1894; Britain
Slide rule
: William Oughtred; 1621; Britain
Spinning frame
: Sir Richard Arkwright; 1769; Britain
Spinning Jenny
: James Hargreaves; 1764; Britain
Spinning Mule
: Samuel Crompton; 1779; Britain
Steam Engine
: Thomas Savery; 1698; Britain
Steam Engine(Piston)
: Thomas Newcomen; 1712; Britain
Steam Engine(Condenser)
: James Watt; 1765; Britain
Steel(Stainless)
: Harry Brealey; 1913; Britain
Tank
: Sir Emest D Swington; 1914; Britain
Television (mechanical)
: John Logie Baird; 1926; Britain
Television, colour
: John Logie Baird; 1928; Britain
Transformer
: Michael Faraday; 1831; Britain
Bakelite
: Leo H Baekeland; 1907; Belgium
electric motor (DC)
: Zenobe Gramme; 1873; Belgium
DNA, structure
: Crick-UK,Watson-US, Wilkins-UK; 1951
Windmill
: Persian corn grinding
Dynamo
: Michael Faraday; 1832
Pacemaker
: Wilson Greatbatch; 1952