Question: Both Bertrand Russell and Marshall McLuhan were philosophers during the same era, but did only Marshall McLuhan taught at the University of Cambridge. 
Sentence (from "Bertrand Russell"): Bertrand Arthur William Russell, 3rd Earl Russell, ( ; 18 May 1872 – 2 February 1970) was a British philosopher, logician, mathematician, historian, writer, social critic, political activist and Nobel laureate.
Relevant evidence: Yes