| A | B |
|---|
| Charles Lindbergh | Pilot who was the first to fly solo across the Atlantic Ocean in 1927. |
| Guglielmo Marconi | Italian- born pioneer who sent the first radio waves across the Atlantic Ocean. |
| David Sarnoff | Russian-born radio pioneer who proposed selling radios for entertainment.. |
| Electrification | To convert something, for example, a railroad line or a piece of machinery, so that it can operate on electric power. |
| Boom | A significant increase in the amount of something, for example, in a population level. |
| Mobility | The ability to physically move about. In the 20s, it specifically relates to increase in transportation. |
| Suburban | A community just outside or near a city. |
| Talkies | An early movie or film with a sound. |
