art ▁( 1 7 5 6 – 1 7 9 1 ): ▁Tw enty - three ▁string ▁quart ets , ▁including ▁the ▁six ▁so - called ▁Hay dn ▁Quart ets ▁( 1 7 8 2 – 1 7 8 5 ), ▁generally ▁reck oned ▁to ▁be ▁his ▁best , ▁the ▁Hoff meister ▁Quart et ▁( 1 7 8 6 ), ▁and ▁the ▁Pr uss ian ▁Quart ets ▁( 1 7 8 9 – 1 7 9 0 ). ▁Joseph ▁Martin ▁Kra us ▁( 1 7 5 6 – 1 7 9 2 ): ▁Six teen ▁string ▁quart ets ▁( 6 ▁Go et ingen ▁quart ets ▁are ▁lost ). ▁See ▁also ▁his ▁Fl ute ▁qu int et ▁in ▁D ▁major . ▁Paul ▁W ran itz ky ▁( 1 7 5 6 – 1 8 0 8 ): ▁W rote ▁sevent y - three ▁string ▁quart ets ▁which , ▁at ▁their ▁best ▁( the ▁six ▁quart ets ▁of ▁Op . ▁ 1 6 , ▁the ▁three ▁of ▁Op . ▁ 2 3 ), ▁are ▁second ▁only ▁to ▁Hay dn ▁and ▁the ▁m ature ▁Moz art ▁in ▁quality . ▁Ign ace ▁P ley el ▁( 1 7 5 7 – 1 8 3 1 ): ▁Student ▁of ▁Hay dn , ▁wrote ▁ 7 0 ▁string ▁quart ets . ▁ ▁Aless andro ▁Rol la ▁( 1 7 5 7 – 1 8 4 1 ): ▁Ten ▁string ▁quart ets : ▁three ▁as ▁Op . ▁ 2 , ▁three ▁as ▁Op . ▁ 5 , ▁and ▁four ▁others