▁square ▁met re ▁area . ▁ ▁There ▁are ▁a ▁variety ▁ch ess ▁sets ▁representing ▁various ▁cult ures ▁and ▁made ▁with ▁materials ▁including ▁wood , ▁metal , ▁fish bone , ▁mar ble , ▁soap stone , ▁felt , ▁poly ester , ▁metal , ▁mar ble , ▁sheet ▁metal ▁and ▁cast ▁iron . ▁ ▁References ▁ ▁External ▁links ▁ ▁Gö ky ay ▁Association ▁Ch ess ▁Museum ▁- ▁Home page ▁ ▁Category : Alt ı nd a ğ , ▁An k ara ▁Category : Ch ess ▁museum s ▁Category : M useum s ▁in ▁Alt ı nd a ğ <0x0A> </s> ▁D w ight ▁Joy ce ▁In gle ▁( Se ptember ▁ 4 , ▁ 1 9 0 7 ▁– ▁July ▁ 2 8 , ▁ 1 9 7 8 ) ▁was ▁an ▁American ▁phys i ologist ▁and ▁end ocr in ologist ▁who ▁was ▁the ▁chairman ▁of ▁the ▁phys i ology ▁department ▁at ▁the ▁University ▁of ▁Chicago . ▁His ▁ob itu ary ▁in ▁the ▁National ▁Academy ▁of ▁Sciences ' ▁Bi ographical ▁Mem oir s ▁described ▁him ▁as ▁" a ▁first - rank , ▁pione ering ▁scient ist ▁in ▁a ▁new ▁and ▁un chart ed ▁field ▁[ i . e . ▁end ocr in ology ] ." ▁ ▁In gle ▁is ▁known ▁for ▁his ▁development ▁of ▁a ▁bio ass ay ▁for ▁ad ren oc ort ical ▁h orm ones ▁in ▁r ats ▁that ▁was ▁used ▁to ▁pur ify ▁cort is one . ▁He ▁conducted ▁much ▁of ▁the ▁research ▁that ▁led ▁to ▁the ▁development ▁of ▁this ▁ass ay