1881
Orson Pratt, American mathematician and religious leader (born 1811)
Orson Pratt, American mathematician and religious leader (born 1811)
Orson Pratt, American mathematician and religious leader (born 1811)
American mathematician and Mormon religious leader (1811–1881)
Orson Pratt, American mathematician and religious leader (born 1811)
Orson Pratt, American mathematician and religious leader (born 1811)
Orson Pratt, American mathematician and religious leader (died 1881)
Orson Pratt, American mathematician and religious leader (died 1881)