not t ▁Sor rell ▁( A pril ▁ 1 8 , ▁ 1 8 9 7 ▁– ▁May ▁ 7 , ▁ 1 9 7 3 ) ▁was ▁an ▁American ▁labor ▁leader ▁and ▁Hollywood ▁union ▁organ izer . ▁He ▁head ed ▁the ▁Conference ▁of ▁Studio ▁Un ions ▁( CS U ) ▁in ▁the ▁late ▁ 1 9 4 0 s , ▁and ▁was ▁the ▁business ▁manager ▁of ▁the ▁Mot ion ▁Picture ▁P ain ters ▁union , ▁Local ▁ 6 4 4 ▁until ▁the ▁ 1 9 5 0 s . ▁ ▁At ▁age ▁ 1 2 ▁he ▁found ▁employ ment ▁in ▁a ▁se wer ▁pipe ▁factory ▁in ▁Oak land , ▁California , ▁and ▁later ▁in ▁Oak land ▁he ▁worked ▁with ▁union ▁leader ▁Harry ▁Br id ges . ▁At ▁one ▁point ▁he ▁tried ▁box ing ▁as ▁a ▁career . ▁He ▁moved ▁to ▁Los ▁Angeles ▁in ▁ 1 9 2 5 , ▁became ▁a ▁scen ery ▁painter ▁for ▁the ▁movie ▁stud ios , ▁and ▁joined ▁the ▁local ▁pain ters ▁union . ▁In ▁April ▁ 1 9 3 7 , ▁his ▁union ▁local ▁was ▁one ▁of ▁those ▁una ff ili ated ▁with ▁I AT SE ▁which ▁formed ▁the ▁Federation ▁of ▁Mot ion ▁Picture ▁C raft s ▁( F MP C ). ▁That ▁same ▁month , ▁the ▁F MP C ▁went ▁on ▁strike ▁against ▁the ▁major ▁stud ios . ▁In ▁the ▁pick et ▁line ▁at ▁Warner ▁Brothers , ▁Sor rell ' s ▁determ ination ▁earned ▁him ▁the ▁rank ▁of ▁" p icket ▁captain ", ▁and ▁the ▁attention