Final answer:
Public opinion polling was first begun in 1932 by George Gallup, who revolutionized the field with his accurate predictions of election outcomes.
Step-by-step explanation:
Public opinion polling was first begun in 1932 by George Gallup. Gallup is considered one of the pioneers of modern polling and is known for his accurate predictions of election outcomes. His polling methods revolutionized the field and laid the foundation for the sophisticated polling techniques used today.