| A | B |
| Thomas Edison | inventor of the light bulb, phonograph, and motion picture machine |
| Samuel Gompers | founder and first president of the AFL |
| F. W. Woolworth | developer of 5 & 10 cent stores |
| John D. Rockefeller | formed Standard Oil Company of Ohio |
| Andrew Carnegie | master of the steel industry in the late 1800s |
| J. Pierpont Morgan | banker involved in both the steel industry and railroads |
| Edwin L. Drake | drilled the first oil well in Titusville, PA |
| Cornelius Vanderbilt | shipping millionaire who was a leader in the move to consolidate railroads |
| George Pullman | first introduced sleeping cars on railroads |
| Jay Gould | speculator involved with the Erie RR |
| Jim Fisk | speculator in volved with Erie RR |
| Cyrus W. Field | improved transatlantic cable |
| Alexander Graham Bell | invented telephone |
| Henry Ford | automobile maker who intoduced the assembly line |
| Wright Brothers | built the first airplane |
| Kitty Hawk | site of the first powered flight in America |
| N. W. Ayer | started first advertising agency |
| Alexander T. Stewart | first department store in NYC |
| John Wanamaker | department sore in Philadelphia |
| R. H. Macy | department store in NYC; advertised good"in the reach of millions" |
| Marshall Field | department store in Chicago |
| Aaron Montgomery Ward | first mail-order company |
| Richard W. Sears | founded mail-order company in Chicago |
| Alvah C. Roebuck | partner with Richard Sears |
| Uriah S. Stephens | Philadelphia garment wirker who founded the Knights of Labor |
| Terence V. Powderly | ended the secrecy of the Knights of Labor |
| Mary Kenny O'Sullivan | one of the leading women labor leaders |
| Rose Schneiderman | early organizer for the International Ladies Garment Workers Union |