The museum was formed in 1923 by the merger of two of the largest and most forward thinking collections of art in Russia, amassed by collectors C.I Shukin and I.A. Morozov. Under Stalin, western trends and influences on Soviet culture were no longer tolerated. The museum, called a, “breeding ground of servility to decadent bourgeois culture,” was liquidated. The Pushkin Museum and the Hermitage inherited the collection.
Link to article at Blouin Artinfo: