1901 George Gallup, American public opinion statistician who evolved the Gallup Polls in 1933，was born at Jefferson in Lowa.
1901 George Gallup, American public opinion statistician who evolved the Gallup Polls in 1933，was born at Jefferson in Lowa.
美国公众舆论统计学家乔治·盖洛普诞生于衣阿华州杰斐逊城。他于1933年制定出盖洛普民意测验法。