Subcategories - Inventors
- Abel Develops the First Artificial Kidney
- Abraham Darby
- Aerosol Containers Are Introduced
- Alberto Santos-Dumont
- Aleksandr Stepanovich Popov
- Alessandro Volta
- Alexander Graham Bell
- Alfred Nobel
- Anaximander
- André-Louis Danjon
- Anschütz-Kaempfe Installs a Gyrocompass onto a German Battleship
- Antoni van Leeuwenhoek
- Antonio Stradivari
- Archimedes
- Armstrong Perfects FM Radio
- Aston Builds the First Mass Spectrograph and Discovers Isotopes
- Bacon Designs First Fuel Cell
- Baekeland Invents Bakelite
- Barnay Develops Rotary Dial Telephone
- Bell Demonstrates the Telephone
- Bell Labs Develops Photovoltaic Cell
- Bell System Demonstrates Long-Distance Television
- Benedictus Develops Laminated Glass
- Benjamin Robins
- Berger Develops the Electroencephalogram (EEG)
- Bernhard Voldemar Schmidt
- Birdseye Develops Freezing as a Way of Preserving Foods
- Blaise Pascal
- Booth Invents the Vacuum Cleaner
- Brandenberger Invents Cellophane
- Burton’s Thermal Cracking Process Improves Gasoline Production
- Bush Builds First Differential Analyzer
- Bush Builds the First Differential Analyzer
- Cai Lun Invents Paper
- Carl Benz
- Carlson Invents Xerography
- Carothers Patents Nylon
- Charles Babbage
- Charles Goodyear
- Chester F. Carlson
- Christiaan Huygens
- Coolidge Patents Tungsten Filament
- Cottrell Invents the Electronstat Precipitation Process
- Cousteau and Gagnan Develop the Aqualung
- Crystal Sets Lead to Modern Radios
- Ctesibius of Alexandria
- Cyrus Hall McCormick
- Denis Papin
- Discoveries of Archimedes
- Dolby Invents Noise Reducer for Music Recording
