Edward Goodrich Acheson
He received a patent for carborundum, the hardest man-made surface which was needed to bring about the industrial age.
Thomas Adams
Thomas Adams first tried to change chicle into automobile tires before making it into a chewing gum.
Howard Aiken
Aiken worked on the Mark computer series and was significant to the history of computers.
Ernest F. W. Alexanderson
The engineer whose high-frequency alternator gave America its start in the field of radio communication.
George Edward Alcorn
Alcorn invented a new type of x-ray spectrometer.
Andrew Alford
He invented the localizer antenna system for radio navigation systems.
Randi Altschul
Randice-Lisa Altschul invented the world's the first disposable cell phone.
Luis Walter Alvarez
Alvarez received patents for a radio distance and direction indicator, a landing system for aircraft, a radar system for locating planes, and the hydrogen bubble chamber used to detect subatomic particles.
Virgie Ammons
Ammons invented a firepace dampening device.
Dr. Betsy Ancker-Johnson
The third women elected to the National Academy of engineering, Ancker-Johnson holds US patent #3287659.
Mary Anderson
Anderson patented the windshield wipers in 1905.
Virginia Apgar
Apgar invented a newborn scoring system called the "Apgar Score" for assessing the health of newborn infants.
Archimedes
Archimedes, a mathematician from ancient Greece, invented the Archimedes screw (a device for raising water).
Edwin Howard Armstrong
Armstrong invented a method of receiving high-frequency oscillations, part of every radio and television today.
Barbara Askins
Askins developed a totally new way of processing film.
John Atanasoff
Atanasoff worked on the first electronic computer.