sentences:  It comprises more than 11,000 members from 80 countries, with membership including engineers, scientists, researchers, manufacturers, plant personnel, educators, students, and marketing and sales representatives.ACerS was founded in 1899 by nine members of the National Brick Manufacturer's Association.The previous year at the association's annual convention in Pittsburgh, Elmer E. Gorton of American Terra Cotta & Ceramic Co. presented a paper entitled “Experimental Work, Wise and Otherwise."