Claim: Julius Caesar is an adaptation of a play by William Shakespeare.
Evidence: Julius Caesar is a 1953 epic Metro-Goldwyn-Mayer film adaptation of the play by Shakespeare , directed by Joseph L. Mankiewicz , who also wrote the uncredited screenplay , and produced by John Houseman.
William Shakespeare -LRB- -LSB- ˈʃeɪkspɪə -RSB- 26 April 1564 -LRB- baptised -RRB- -- 23 April 1616 -RRB- was an English : poet , : playwright , and actor , widely regarded as the greatest writer in the English language and the world 's pre-eminent dramatist.