What did george gallup contribute to polling?

George Gallup was a pioneering figure in the field of public opinion polling. He founded the Gallup Organization in the 1930s and developed scientific methods for survey sampling, which greatly improved the accuracy of polling data. Gallup introduced the concept of using random sampling to gauge public opinion, allowing for more representative and reliable results. His work laid the foundation for modern polling techniques and established polling as a vital tool in understanding public sentiment.