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American engineer and inventor whose improvements to radio communication included the development of frequency modulation (1933). |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
American astronaut who as commander of Apollo 11 became the first person to walk on the moon (July 20, 1969). |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
American jazz musician. A virtuoso trumpeter and popular, gravelly voiced singer, he greatly influenced the development of jazz.  (click for a larger image) Louis Armstrongphotographed in 1967 |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
American cyclist who won the Tour de France seven consecutive times (1999-2005) but was stripped of those titles in 2012 after evidence of performance-enhancing drug use was uncovered. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
