, ▁from ▁his ▁Op . ▁ 2 ▁( 1 9 3 7 ▁rev . ▁ 1 9 8 6 ) ▁to ▁Op . ▁ 1 4 6 ▁( 1 9 8 7 ). ▁ ▁Born ▁in ▁the ▁ 1 9 2 0 s ▁Peter ▁R ac ine ▁Fr icker ▁( 1 9 2 0 – 1 9 9 0 ): ▁Three ▁string ▁quart ets ▁( 1 9 4 8 , ▁ 1 9 5 3 , ▁ 1 9 7 6 ). ▁Bruno ▁Mad erna ▁( 1 9 2 0 – 1 9 7 3 ): ▁Quart etto ▁per ▁arch i ▁( c . ▁ 1 9 4 6 ); ▁Quart etto ▁per ▁arch i ▁in ▁due ▁tem pi ▁( 1 9 5 5 ), ▁dedicated ▁to ▁Luci ano ▁Ber io . ▁William ▁Ber gs ma ▁( 1 9 2 1 – 1 9 9 4 ): ▁Five ▁string ▁quart ets ▁( 1 9 4 2 , ▁ 1 9 4 4 , ▁ 1 9 5 3 , ▁ 1 9 7 0 , ▁ 1 9 8 2 ). ▁K arel ▁H usa ▁( 1 9 2 1 – 2 0 1 6 ): ▁Four ▁quart ets ; ▁the ▁third ▁quart et ▁won ▁the ▁Pul itzer ▁Prize ▁for ▁Music , ▁ 1 9 6 9 . ▁Andrew ▁Im brie ▁( 1 9 2 1 – 2 0 0 7 ): ▁At ▁least ▁five ▁( fif th ▁written ▁in ▁ 1 9 8 7 ). ▁Jo onas ▁K ok kon en ▁(