Peirce, Benjamin 1809-1880. American mathematician and astronomer recognized for his studies of Uranus, Neptune, and Saturn's rings.
Peirce, Charles Sanders 1839-1914. United states philosopher, mathematician, and scientist whom cofounded pragmatism, made many efforts to reasoning, and ended up being one of several original designers of semiotics.
US philosopher and logician; pioneer of pragmatism (1839-1914)
usa mathematician and astronomer recalled for their researches of Uranus and Saturn and Neptune (1809-1880)