| A | B |
|---|
| Henry Bessemer | Bessemer process - inexpensive way to make steel |
| Cornelius Vanderbilt | bought up separate RR routes and combined them; extended from New York to Chicago |
| Elijah McCoy | invented a lubricating cup that fed oil to parts of a machine while it ran |
| Alexander Graham Bell | invented the telephone |
| Thomas Alva Edison | established the nation's first industrial research laboratory; telegraph, phonograph, electric lightbulb |
| Andrew Carnegie | concentrated his investments in the steel industry |
| John D. Rockefeller | dominated the oil refining industry |
| Granville Woods | improved the design of air brakes |
| George Westinghouse | invented a compressed air brake |
| E.L.Drake | struck oil in Pennsylvania |
