| A | B |
|---|
| Christopher Sholes | invented the typewriter |
| Edwin L Drake | first successfully used a steam engine to remove oil from beneath the earth's surface |
| Eugene V Debs | ran the American Railway Union and later ran for president several times as a socialist |
| Andrew Carnegie | Scottish immigrant who made a fortune in steel and donated most of his profits |
| Mary Harris "Mother" Jones | organized coal miners, their wives, and their children to fight for better working conditions |
| John D Rockefeller | created trusts and was criticized as a robber baron while serving as head of the Standard Oil Company |
| Thomas Alva Edison | perfected the incandescent light bulb, created an electrical power system, and organized power plants |
| Henry Bessemer | developed a cheap and effective manufacturing process for making steel |
| Alexander Graham Bell | opened the way for worldwide communications with invention of the telephone |
| George M Pullman | railroad-car mogul who built a town to house his employees |
