Who said if you find yourself in a hole stop digging?
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Who first said a quote that lead to the quote: if you find yourself in a hole stop digging in 1911?
The Washington Post
The adage has been attributed to a number of sources. It appeared in print on page six of "The Washington Post" dated October 25, 1911, in the form: "Nor would a wise man, seeing that he was in a hole, go to work and blindly dig it deeper..." In "The Bankers magazine", it was published in 1964 as: "Let me tell you about the law of holes: If you find yourself in a hole, stop digging." 
Who said if you find yourself in a hole stop digging in 1964?
The Bankers magazine
Law of holes
In the United Kingdom, it has been referred to as "Healey's first law of holes" after politician Denis Healey, who used the adage in the 1980s and later.
In the UK, who said if you find yourself in a hole stop digging beginning in the 1980s?
Denis Winston Healey Baron Healey Lord Healey Healey Denis Healey
Law of holes
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Who is misattributed with saying if you find yourself in a hole stop digging?
William Penn Adair Rogers Rogers Will Rogers
Law of holes
https://en.wikipedia.org/wiki/Law%20of%20holes
The first law of holes, or the law of holes, is an adage which states: "if you find yourself in a hole, stop digging".
Law of holes
William Penn Adair Rogers (November 4, 1879 – August 15, 1935) was an American stage and film actor, vaudeville performer, cowboy, humorist, newspaper columnist, and social commentator from Oklahoma.
Will Rogers
The first law of holes, or the law of holes, is an adage which states: "if you find yourself in a hole, stop digging". The adage has be attributed to a number of sources. On October 25, 1911 it appeared in print on page six of The Washington Post. In 1964, a version of the adage appeared in The Bankers Magazine. In the United Kingdom, it has been referred to as "Healey's first law of holes" after politician Denis Healey, who used the adage in the 1980s and later. It has been misattributed to American stage and film actor, vaudeville performer, cowboy, humorist, newspaper columnist, and social commentator, Will Rogers.