All mathematicians are unaware of Bertrand Russell's work.
Bertrand Arthur William Russell , 3rd Earl Russell , ( [ ˈrʌsəl ] 18 May 1872 -- 2 February 1970 ) was a British philosopher , logician , mathematician , historian , writer , social critic , political activist and Nobel laureate . He is widely held to be one of the 20th century 's premier logicians .