Charles Peirce was an American philosopher, logician, and scientist whose work had a significant impact on modern philosophical thinking. Some of the synonyms associated with Peirce include the "father of pragmatism," the "founder of semiotics," and the "American Aristotle." He was also known as the "most original and versatile of American philosophers," the "purveyor of the doctrine of pragmatism," and the "champion of scientific method." Other synonyms that can be used to describe Charles Peirce include the "integrator of science and philosophy," the "philosopher of signs," and the "master of logic and perception.".