Famous physicist (8)
I believe the answer is:
einstein
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">famous physicist</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for einstein that I've seen before include "Albert, who founded the theory of relativity" , "Scientific genius" , "Famous scientist of the nineties" , "Great scientist, founded theory of relativity" , "Nineties (anag.)" .)