C. D. Broad
Charlie Dunbar Broad ( 30 December 1887 – 11 March 1971 ) , usually cited as C . D . Broad , was an English epistemologist , historian of philosophy , philosopher of science , moral philosopher , and writer on the philosophical aspects of psychical research . 
<triplet> C. D. Broad <subj> 30 December 1887 <obj> date of birth <subj> 11 March 1971 <obj> date of death <triplet> epistemologist <subj> historian of philosophy <obj> subclass of <triplet> historian of philosophy <subj> epistemologist <obj> has part <subj> philosopher of science <obj> has part <triplet> philosopher of science <subj> historian of philosophy <obj> subclass of <triplet> moral philosopher <subj> historian of philosophy <obj> subclass of