. ▁ ▁A ▁famous ▁example ▁is ▁Marcel ▁Duch amp ' s ▁F ount ain ▁( 1 9 1 7 ), ▁an ▁invert ed ▁ur inal ▁signed ▁" R . ▁M utt ". ▁This ▁became ▁one ▁of ▁the ▁most ▁famous ▁and ▁influ ential ▁pieces ▁of ▁art ▁in ▁history , ▁and ▁one ▁of ▁the ▁earliest ▁examples ▁of ▁the ▁found ▁object ▁movement . ▁It ▁is ▁also ▁a ▁jo ke , ▁re lying ▁on ▁the ▁in version ▁of ▁the ▁item ' s ▁function ▁as ▁expressed ▁by ▁its ▁title ▁as ▁well ▁as ▁its ▁incon gru ous ▁presence ▁in ▁an ▁art ▁exhibition . ▁▁ 2 0 th ▁century ▁film , ▁records , ▁radio , ▁and ▁television ▁▁ ▁The ▁advent ▁of ▁cinema ▁in ▁the ▁late ▁ 1 9 th ▁century , ▁and ▁later ▁radio ▁and ▁television ▁in ▁the ▁ 2 0 th ▁century ▁bro aden ed ▁the ▁access ▁of ▁com ed ians ▁to ▁the ▁general ▁public . ▁Charlie ▁Chap lin , ▁through ▁silent ▁film , ▁became ▁one ▁of ▁the ▁best - known ▁faces ▁on ▁Earth . ▁The ▁silent ▁tradition ▁lived ▁on ▁well ▁into ▁the ▁ 2 0 th ▁century ▁through ▁m ime ▁artists ▁like ▁Marcel ▁Mar ce au , ▁and ▁the ▁physical ▁comedy ▁of ▁artists ▁like ▁Row an ▁At kin son ▁as ▁Mr . ▁Be an . ▁The ▁tradition ▁of ▁the ▁circ us ▁c low n ▁also ▁continued , ▁with ▁such ▁as ▁Bo zo ▁the ▁C low n ▁in ▁the ▁United ▁States ▁and ▁O leg ▁Pop ov ▁in ▁Russia . ▁Radio ▁provided ▁new ▁possibilities ▁— ▁with ▁Britain ▁producing ▁the ▁influ