American philosopher, mathematician, and scientist who cofounded pragmatism, made many contributions to logic, and was one of the original developers of semiotics. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
American mathematician and astronomer known for his studies of Uranus, Neptune, and Saturn's rings. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.