Inventions and Discoveries Calculator The first mechanical calculator

Inventions and Discoveries

Calculator The first mechanical calculator was invented by French inventor, Blaise Pascal In 1642.

Air Conditioner Willis Carrier Nationality - USA

Atom Bomb Julius Robert Oppenheimer Nationality - USA

Air Plane Wright brothers Wilber and Orville Wright Nationality - USA

Blood Group Karl Lansdsteiner Nationality - Austria

Ballpoint pen John J. Loud The metal commonly used is steel, brass, or tungsten carbide. Nationality - USA

Bicycle Kirkpatrick Macmillan Nationality – Scotland (United Kingdom)

Diesel Engine Rudolf Diesel Nationality - Germany

Structure of DNA • American biologist James Watson and English physicist Francis Crick • DNA 1 st discovered by Miescher

Discovery of the malarial parasite in the gastrointestinal tract of a mosquito in 1897 proved that malaria was transmitted by mosquitoes • Ronald Ross was born in Almora, India • Nationality – British • French scientist Laveran discovered the malaria parasite in 1880

Dynamite • Alfred B. Nobel • Nationality - Swedish

Electric Battery • Antonio Volta • Nationality - Italian

Hydrogen • Henry Cavendish • Nationality - British

Elevator • Elisha Otis • Nationality - American

Lewis Waterman • Fountain Pen • Nationality - USA

Insulin • Frederick Banting • Nationality - Canada

Radioactivity • Henri Becquerel • Nationality - French

Microscope • Zacharis Janssen • Nationality - Dutch

Oxygen • Joseph Priestley • Nationality - English

Jonas Edward Salk • Polio Vaccine • Nationality - USA

Penicillin • Alexander Fleming • Nationality - Scottish

Radium, Polonium • Marie & Pierre Curie • Nationality Pierre Curie – French • Nationality Marie Curie – Poland

Rubber (Vulcanised) • Charles Goodyear • Nationality - USA

Radio • Guglielmo Marconi • Nationality - Italy

Sewing machine • Barthélemy Thimonnier • Nationality - France

Graham Bell • Telephone • Nationality - Scottish

X-ray • Wilhelm Conrad Roentgen • Nationality - German

Computer • Charles Babbage • Nationality - English

Television • John Logie Baird • Nationality – United Kingdom

Light Bulb • THOMAS EDISON • Nationality - USA

Vaccine • Edward Jenner • Nationality – United Kingdom

Electron • J. J. Thomson • Nationality - British

Proton • Ernest Rutherford • Nationality - British

Neutron • James Chadwick • Nationality - British

Electric Iron • Henry W. Seeley • Nationality - USA

Safety Pin • Walter Hunt • Nationality - USA

Telescope • Hans Lippershey • Nationality - Dutch

Theory of Evolution • Charles Darwin • Nationality - England

Stainless Steel • Harry Brearley • Nationality – United Kingdom

Pixel • Russell Kirsch • Nationality - USA

Computer Mouse • Douglas Engelbart & Bill English • Nationality - USA

Logarithms & Decimal Point • John Napier • Nationality - Scotland

Fermentation (Sugar to Alcohol), Rabies and Anthrax Vaccines • Louis Pasteur • Nationality - France

Stethoscope • Rene Laënnec • Nationality - French

Cement • William Aspdin • Nationality - British

Laser • Charles Townes • Nationality - USA

Braille • Louis Braille • Nationality - France

Antiseptic • Joseph Lister • Nationality - British

Theory of relativity • Albert Einstein • Nationality - Germany