ଅର୍ଥ : United States mathematician and astronomer remembered for his studies of Uranus and Saturn and Neptune (1809-1880).
ସମକକ୍ଷ : benjamin peirce
ଅର୍ଥ : United States philosopher and logician. Pioneer of pragmatism (1839-1914).
ସମକକ୍ଷ : charles peirce, charles sanders peirce