48-747 Shape Grammars !GRAMMAR!OF!PRAIRIE*HOUSES*Frank!Lloyd!Wright,!The*Natural*House,!pp!182‐83!“Consistency!in!grammar!is!therefore!the!property!−!solely!−!of!a!well‐developed!artist‐architect.!Without!that!property!of!the!artist‐architect!not!much!can!be!done!about!your!abode!as!a!work!of!Art.!!Grammar!is!no!property!of!the!usual!owner!or!occupant!of!the!house.!!But!the!man!who!designs!the!house!must,!inevitably!speak!a!consistent!thought‐language!in!his!designs.!!It!properly!may!be!and!should!be!a!language!of!his!own!if!appropriate.!!If!he!has!no!language,!so!no!grammar,!of!his!own,!he!must!adopt!one;!he!will!speak!some!language!or!other!whether!he!so!chooses!or!not.”!organic!architecture!First*–!!To!reduce!the!necessary!parts!of!the!house!and!the!separate!rooms!to!a!minimum,!and!make!all!come!together!as!enclosed!space!…!Second*–!!To!associate!the!building!as!a!whole!with!its!site!by!extension!and!emphasis!of!planes!parallel!to!the!ground!…!Third*–!!To!eliminate!the!room!as!a!box!and!the!house!as!another!…!examine!a!corpora!11!prairie!houses!identified!Superficial!features!defocused!Hearth!and!fireplace!Function!zones!!Living,!service!and!bedroom!areas!Arranged!as!blocks!Lines!used!to!articulate!walls,!ceilings,!!screens!between!areas!the!corpora:!exterior!view,!bedroom!floor!plan,!main!floor!plan!the!corpora:!bedroom!floor,!main!floor,!exterior!2!3!4!the!fireplace!is!central!“Instead!of!lean,!brick!chimneys,!bristling!up!from!steep!roofs!to!hint!at!“judgment”!everywhere!I!can!see!necessity!for!one!only,!a!broad!generous!one,!or!at!most,!for!two,!these!kept!low!down!on!gently!sloping!roofs!or!perhaps!flat!roofs.!!The!big!fireplace!below,!inside,!become!now!a!place!for!a!real!fire,!justified!the!great!size!of!this!chimney!outside.!!A!real!fireplace!at!that!time!was!extraordinary.!There!were!then!‘mantels’!instead.!!A!mantel!was!a!marble!frame!for!a!few!coals!or!a!piece!of!wooden!furniture!with!tile!stuck!in!it!and!a!‘gate’,!the!whole!set!slam!up!against!the!wall.!!The!‘mantel’!was!an!insult!to!comfort,!but!the!integral*fireplace!became!an!important!part!of!the!building!itself!in!the!houses!I!was!allowed!to!build!out!there!on!the!prairie.!!It!refreshed!me!to!see!the!fire!burning!deep!in!the!masonry!of!the!house!itself.”!abolition!of!rooms!per!se!“So!I!declared!the!whole!lower!floor!at!one!room,!cutting!off!the!kitchen!as!a!laboratory,!putting!servants’!sleeping!and!living!quarters!next!to!it,!semi‐detached,!on!the!same!floor,!screen!various!portions!in!the!big!room,!for!certain!domestic!purposes−!like!dining!or!reading,!or!receiving!a!formal!caller.!There!were!no!plans!like!these!in!existence!at!the!time!and!my!clients!were!pushed!toward!these!ideas!as!helpful!to!a!solution!of!the!vexed!servant‐problem.!!Scores!of!doors!disappeared!and!no!end!of!partition.!!They!liked!it,!both!clients!and!servants.!!The!house!became!more!free!as!“space”!,!and!more!livable,!too.!Interior!spaciousness!began!to!dawn.”!convention!for!lines!double thick