Inventors

  1. Home
  2. Business & Finance
  3. Inventors

Famous Inventors : A to Z

Research the history of famous inventors - past and present.

By Mary Bellis, About.com

Ellen Ochoa

Ellen Ochoa

Photo - NASA

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Ellen Ochoa

Invented optical analysis systems and was the world's first Hispanic female astronaut.

Dr. Hans von Ohain

Co-inventor of the first jet engine.

Samuel O'Reilly

Samuel O'Reilly and the history of inventions related to tattoos.

Kenneth H Olsen

Invented vital computer components and is best known for inventing "Magnetic Core Memory" and for co-founding the Digital Equipment Corporation.

Scott Olson and Brennan Olson

Invented Rollerblades.

Elisha Graves Otis

Invented the elevator brake making safe elevators possible.

John Ott

A pioneer of full-spectrum lighting, Ott first became interested in the effects of artificial light while doing time-lapse photography.

Nicolaus August Otto

Invented the first practical alternative to the steam engine, the "Four-Stroke Internal-Combustion Engine" or gas motor engine in 1876. He named his invention the "Otto Cycle Engine". As soon as he had completed his engine, Otto invented a motorcycle to use it with.

Try Searching by Invention

If you cannot find what you want by inventor, try searching by invention.

Continue Alphabetically: P Starting Surnames

Explore Inventors

About.com Special Features

Building Your Small Business

Get the best tips on starting up and staying competitive. More >

Best Moves in a Bad Economy

Stay on top in this tough economy with our smart, easy-to-follow financial tips. More >

Inventors

  1. Home
  2. Business & Finance
  3. Inventors
  4. Famous Inventors
  5. Inventor Biography Sites
  6. Inventors A to Z Listings
  7. O Start Inventors
  8. Great Inventors You Should Know About - O Biographies

©2009 About.com, a part of The New York Times Company.

All rights reserved.