Family Relationship of

Samuel Pierpont Langley

Astronomer and Aviation Pioneer

[What does "times removed" mean?]

Inventor of the Gallup Poll

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John Thompson

Mary Thompson

Dorothy Thompson

Sarah Wise

Martha Parke

Joseph Williams

Elizabeth Wheeler

Joseph Williams

Isaac Gallup

John Williams

William Gallup

John Williams

Nelson Gallup

Mary Sumner Williams

Samuel Langley

John Nelson Gallup

Happy Kinnie Church

Samuel Pierpont Langley

Astronomer and Aviation Pioneer

George Henry Gallup

Nettie Davenport

George Gallup

Inventor of the Gallup Poll