In existographies, Priestley Unbeliever (c.1720-1800), aka an anonymous “Mr. Hammon”, later said to be English chemist-physician Matthew Turner (ΡΊ), or possibly two authors combined, refers to the 1782 author of Answer to Dr. Priestley’s Letters to a Philosophical Unbeliever, an atheist response to Joseph Priestley’s 1772 Institutes of Natural and Revealed Religion and or his 1780 Letters to a Philosophical Unbeliever. [1]

Quotes | By
The following are quotes by the Priestly Unbeliever:

“As to the question whether there is such an existent being as an atheist, to put that out of all manner of doubt, I do declare upon my honor that I am one.”
— Priestly Unbeliever (1782), Answer to Dr. Priestley’s Letters to a Philosophical Unbeliever

References
1. (a) Letters to a Philosophical Unbeliever – Wikipedia.
(b) Turner, Matthew. (1782). Answer to Dr. Priestley’s Letters to a Philosophical Unbeliever. Publisher.
(c) Berman, David. (2013). A History of Atheism in Britain: From Hobbes to Russell (pg. 110). Routledge.

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