Horace James Caulkins (c. 1850–1923) bụ onye omenkà seramiiki America bi na Detroit, Michigan, ọ akụkọ ya dị ka onye na-eweta eze. N'ime nke a, o ụgbọ ụlọ ọkụ maka ịgbanye enamel eze,ndị a na-ere akara n'okpuru aha ahia nke ahụ . Na 1903 ọ mgbaàmà ya na Mary Chase Perry, onye ọzọ na-ese seramiiki, wee malite iji nkà na ẹzà na-enye nke glazes na ceramics, ka na-eji aha bụ. Na 1904 aha a inye ka ọ bụrụ Pewabic Pottery .