s ▁co - found er ▁Mar cia ▁Simon ▁We is man ▁be que athed ▁ 8 3 ▁works ▁on ▁paper ▁from ▁artists ▁including ▁Wille m ▁de ▁K oon ing , ▁Bar nett ▁New man , ▁Jas per ▁Joh ns ▁and ▁California - based ▁pain ters ▁Richard ▁Die ben k orn ▁and ▁Sam ▁Francis . ▁In ▁ 1 9 9 1 , ▁Hollywood ▁screen writer ▁Scott ▁Sp iegel ▁don ated ▁works ▁by ▁Jean - Mich el ▁Bas qui at , ▁Mark ▁Inner st , ▁Robert ▁Long o , ▁Susan ▁Roth enberg , ▁David ▁S alle , ▁among ▁others . ▁In ▁ 2 0 0 3 , ▁the ▁museum ▁received ▁the ▁promise ▁of ▁a ▁gift ▁of ▁ 3 3 ▁pieces ▁from ▁advert ising ▁executive ▁Cl iff ord ▁Ein stein , ▁chair ▁of ▁MO CA ' s ▁board ▁of ▁trust ees , ▁and ▁his ▁wife , ▁Mad eline ; ▁the ▁proposed ▁don ation ▁included ▁works ▁by ▁K iki ▁Smith , ▁Nam ▁June ▁Pa ik , ▁Mark ▁G rot j ahn , ▁Sig mar ▁Pol ke , ▁Mike ▁K elle y , ▁and ▁L ari ▁Pitt man . ▁In ▁ 2 0 0 4 ▁the ▁museum ▁received ▁the ▁largest ▁group ▁of ▁art works ▁don ated ▁by ▁a ▁private ▁collect or ▁in ▁its ▁ 2 5 - year ▁history ▁when ▁E . ▁Bla ke ▁By r ne , ▁a ▁MO CA ▁trust ee ▁and ▁retired ▁television ▁executive , ▁gave ▁ 1 2 3 ▁paint ings , ▁sculpt ures , ▁draw ings , ▁videos ▁and ▁photograph s ▁by ▁