PERSON@1 , 3rd PERSON@2 , OM , FRS -LRB- NUMBER@1 May NUMBER@2 -- NUMBER@3 February NUMBER@4 -RRB- , commonly known as simply PERSON@3 , was a MISC@1 philosopher , logician , mathematician , historian , religious skeptic , social reformer , socialist and pacifist .

PERSON@1 , 3rd PERSON@2 , -LRB- NUMBER@1 May NUMBER@2 -- NUMBER@3 February NUMBER@4 -RRB- , was one of the world 's best-known intellectuals .
