▁opportunity . ▁ ▁In ▁ 1 9 4 7 , ▁Ed ith ▁began ▁to ▁design ▁and ▁execute ▁a ▁limited ▁hand - th rown ▁production ▁of ▁her ▁pot tery ▁and ▁table ware ▁with ▁four ▁app rent ices ▁in ▁her ▁own ▁studio . ▁Other ▁ret ail ers , ▁such ▁as ▁Ne iman ▁Marcus , ▁Marshall ▁Field ’ s , ▁Bul lock s , ▁and ▁the ▁City ▁of ▁Paris ▁began ▁to ▁order ▁her ▁table ware , ▁and ▁in ▁ 1 9 4 8 ▁she ▁opened ▁He ath ▁Cer am ics ▁in ▁S aus al ito . ▁Ed ith ▁designed ▁the ▁pieces ▁and ▁form ulated ▁the ▁cl ays ▁and ▁gla zes . ▁Not ably , ▁she ▁form ulated ▁the ▁cl ay ▁base ▁for ▁a ▁single ▁kil n - f iring ▁at ▁a ▁lower - than - normal ▁temperature , ▁one ▁closer ▁to ▁that ▁associated ▁with ▁ear then ware ▁bodies ▁rather ▁than ▁stone ware . ▁This ▁reduced ▁energy ▁usage ▁while ▁producing ▁a ▁dur able ▁product . ▁ ▁In ▁addition ▁to ▁running ▁the ▁business ▁side ▁of ▁He ath , ▁husband ▁Brian ▁He ath ▁also ▁o vers aw ▁engineering ▁( in vent ing ▁numerous ▁pieces ▁of ▁equipment ) ▁and ▁managed ▁the ▁business . ▁By ▁ 1 9 4 9 , ▁He ath ▁Cer am ics ▁was ▁producing ▁ 1 0 0 , 0 0 0 ▁pieces ▁a ▁year . ▁ ▁As ▁the ▁volume ▁of ▁orders ▁increased , ▁Ed ith ▁designed ▁a ▁S aus al ito ▁factory ▁space ▁with ▁the ▁architecture ▁firm ▁Mar quis ▁& ▁St ol ler , ▁which ▁was