Year |
Invention / Discovery |
Inventor / Discoverer |
Country |
|
1931 |
Van de Graaff Accelerator |
Van de Graaff Generator |
Robert Jemison Van de Graaff |
USA |
1931 |
Cyclotron |
|
Ernest Orlando Lawrence |
USA |
1931 |
Differential Analyzer |
|
Vannevar Bush |
USA |
1932 |
Phase Contrast Microscopy |
|
Frits Zernike |
Netherlands |
|||
1933 |
Frequency Modulation (FM) |
FM, modulated frequency |
Edwin Howard Armstrong |
|
1934 |
Artificial Radioactivity |
Artificial Radiation |
Irène and Frédéric Joliot-Curie |
France |
1935 |
Synthetic Rubber Buna |
Buna Synthetic Rubber |
Scientific Group |
Germany |
1935 |
Radar |
Radar |
Robert Watson-Watt |
UK |
1935 |
Nylon |
Nylon |
Wallace Carothers |
USA |
||
1935 |
Cortisone |
Cortisone |
Edward Calvin Kendall and Tadeus Reichstein |
USA, Switzerland |
1935 |
Electron Microscope |
Electron Microscope |
Scientific Team |
Germany |
1935 |
Sulfamides |
Sulfamide Antibiotics |
Gerhard Domagk |
Germany |
1935 |
Parking Meter |
Car Parking Meter |
|
|
1936 |
Twin-rotor Helicopter |
|
Heinrich Focke |
|
1937 |
Nylon |
Nylon, a synthetic polyamide (6-6) |
Wallace Hume Carothers |
USA |
1939 |
DDT |
DDT pesticide |
Paul Müller |
Switzerland |
1939 |
Helicopter |
Helicopter |
Igor Sikorsky |
USA |
1940 |
Betatron |
|
Donald William Kerst |
USA
1941
Plutonium
Plutonium, Symbol Pu, A=244, Z=94, Actinide Group
Glenn Seaborg and Edwin Mattison McMillan
USA
1941
Atomic Bomb
Nuclear Bomb
Robert Oppenheimer
USA
1942
Nuclear Reactor (Atomic Pile)
Core Reactor
Enrico Fermi
USA
1942
Xerography
Chester Carlson
USA
1944
V2 Rocket
|
Wernher von Braun |
USA |
||
1945 |
Atomic Bomb |
Nuclear Bomb |
U.S. Government Scientist, |
USA |
1945 |
Streptomycin, |
Streptomycin antibiotic for tuberculosis treatment |
Selman A. Waksman |
USA |
1946 |
Digital Electronic Calculator |
Electronic Computer |
John Presper Eckert Jr. and John W. Mauchly |
USA |
1947 |
Holography |
Laser Beam Whole Recording |
Denis Gabor |
UK |
1947
Bathyscaphe
Auguste Piccard
1947
Microwave Oven
Percy L. Spencer
1948
Scintillation Counter
Hartmut Kallmann
1948
Aureomycin
Aureomycin Antibiotic
Benjamin Minge Duggar and Chandra Bose Suba Row
USA
1948
Transistor
Transistor
John Bardeen, Walter Houser Brattain, and William Shockley
USA
1949
Stato-jet Aircraft
1950 |
Color Television |
Peter Carl Goldmark |
USA |
|
1952 |
Hydrogen Bomb |
Hydrogen Bomb H |
U.S. Government Scientist |
USA |
1952 |
Bubble Chamber (Nuclear Particle Detector) |
Nuclear Particle Detector |
Donald Arthur Glaser |
USA |
1953 |
Industrial Production Process for Ballpoint Pens |
BIC Pen Manufacturing Process |
Marcel Bich |
France |
Structure of DNA (double helix)
DNA Structure
Francis Harry Compton Crick and James Dewey Watson
UK, USA
1954
Maser
Laser
Charles Townes
1954
Solar Battery
Solar Panel
Scientists at Bell Telephone Laboratory
USA
1954
Polio Vaccine
Polio Immunization
Jonas Edward Salk and Pierre Lépine
USA, France
1955
Synthetic Diamonds
Artificial Diamonds
General Electric Scientists
USA
1955 |
Radiocarbon Dating |
Radiocarbon Dating Method |
Willard Frank Libby |
|
1956 |
Hovercraft, air-cushion vehicle. |
Ground and water vehicle using air cushion |
Christopher Cockerell |
UK |
1956 |
First prototype of rotary engine |
Rotary piston engine (Rotary triangle piston) |
Felix Wankel |
Germany |
1956 |
Patented SECAM color television process |
SECAM television broadcasting method |
Henri de France |
France |