[2] Gallup expanded the scope of the Gallup Poll to encompass a wider variety of topics, ranging from the outlook of American young people to religious beliefs.
[2] Gallup was born in Evanston, Illinois, and graduated from the Lawrenceville School in 1948.
[3] He received a bachelor's degree in religion from Princeton University in 1953,[2] and joined his father's polling company, The Gallup Organization a year later.
He became co-chairmen of the company (with his brother Alex) upon their father's death in 1984,[4] and worked there until his retirement in 2004.
[1] He was diagnosed with liver cancer in 2010, and died in Princeton, New Jersey, on November 21, 2011, at the age of 81.