The pyramid atop the Los Angeles Pubic Library (1977)

To share his longtime interest in the Great Seal, John D. MacArthur began GreatSeal.com in 1998. The site now has more than 100 pages and 300 images. In October 2004, John was invited to give a slide show presentation about the Great Seal during the 300th anniversary of Harriton House, home of Charles Thomson, principal designer of the Great Seal. In May 2017, John was interviewed about the Great Seal for a BBC documentary filmed at Thomson's home. Watch the Trailer of this remarkable story of the life Charles Thomson, the Irish orphan who became a central figure in American Revolution.

"The website www.GreatSeal.com, authored by John D. MacArthur
offers a thorough and interesting telling of the history of the seal." – Jon Meacham
American Gospel: God, the Founding Fathers, and the Making of a Nation

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contactjdmac (@) gmail.com

Listen to a radio interview (16 min) with John in March 1982
on the 200th anniversary of the Great Seal (WTMI-FM Miami).
(See related story.)

John's other writings can be found at johndmacarthur.com

The pyramid at Breitenbush Hot Springs (2017)
(Sadly, it was destroyed in the fires of September 2020.)

John D. MacArthur is not the fundamentalist John F. MacArthur,
nor connected with philanthropist John Donald MacArthur (1897-1978).