question: Who devised the Weston film speed ratings ?
answer: Edward Faraday Weston ( 1878 -- 1971 ) and his father Dr. Edward Weston ( 1850 -- 1936 )
turker_answer: Edward Faraday Weston ( 1878 -- 1971 ) and his father Dr. Edward Weston ( 1850 -- 1936 ) devised the Weston film speed ratings .
rule-based: Edward Faraday Weston ( 1878 -- 1971 ) and his father Dr. Edward Weston ( 1850 -- 1936 devised the Weston film speed ratings .