Elmo Burns Roper Jr. (July 31, 1900 in Hebron, Nebraska – April 30, 1971 in Redding, Connecticut) was an American pollster known for his pioneering work in market research and opinion polling, alongside friends-cum-rivals Archibald Crossley and George Gallup.
Elmo Burns Roper Jr. (July 31, 1900 in Hebron, Nebraska – April 30, 1971 in Redding, Connecticut) was an American pollster known for his pioneering work in market research and opinion polling, alongside friends-cum-rivals Archibald Crossley and George Gallup.
Source: Wikipedia "Elmo Roper" · CC BY-SA 4.0
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