| A | B |
|---|
| Alexander Graham Bell | technologist who invented the telephone which helped business communication |
| Thomas Alva Edison | greatest technologist of the late-1800s who invented the first practical incadescent light bulb and other electrical devices |
| Andrew Carnegie | Scottish immigrant who got involved in business and built a monopoly in the steel industry |
| John D. Rockefeller | American business tycoon who developed a monopoly in the oil industry with his Standard Oil Company |
| Jacob Riis | Danish immigrant who wrote about the terrible conditions in New York City in his book, How the Other Half Lives |
| Jane Addams | social reformer and humanitarian who helped immigrants adjust to life in America with her settlement house, Hull House, in Chicago |
| Horatio Alger | American novelist who wrote many books that contained a "rags to riches" theme |
| William Marcy Tweed | leader of the political machine in New York City that stole millions of dollars from the taxpayers of the city |
| Terence V. Powderly | early labor union leader who made the Knights of Labor into a major labor union until its decline after the Haymarket Riot |
| Samuel Gompers | labor leader who guided the craft unions within the American Federation of Labor for many years |
| Eugene V. Debs | labor leader and Socialist who founded the American Railway Union as one of America's first industrial unions |
