A fantasy book............written by a British mathematician............................why do hatters go mad?  Mercury poisoning...............what a way to make a code..........Egyptian stuff in Iraq...............

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Some believe that the character the Mad Hatter in Lewis Carroll's Alice in Wonderland is an example of someone suffering from erethism, but the origin of this account is unclear. ... Mad hatter disease, or mad hatter syndrome, was an occupational disease among hatmakers, caused by chronic mercury poisoning.

Erethism - Wikipedia

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Why did they use mercury to make hats?

The origin of the phrase, it's believed, is that hatters really did go mad. The chemicals used in hat-making included mercurous nitrate, used in curing felt. Prolonged exposure to the mercury vapors caused mercury poisoning.

Mad as a hatter - Corrosion Doctors

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How did the Mad Hatter go mad?

Origin of the Phrase. The phrase "as mad as a hatter" refers to the 19th century usage of a mercury-based compound in the making of fine hats. Due to long-term exposure, hatters would often develop symptoms of mercury posioning, such as tremors or mood-swings, that would make them appear "mad" to others.

The Mad Hatter | Alice in Wonderland Wiki | Fandom powered by Wikia

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Why is the Mad Hatter called The Mad Hatter?

The phrase 'mad as a hatter' was common in Carroll's time. 'Mad as a hatter' probably owes its origin to the fact that hatters actually did go mad, because the mercury they used sometimes gave them mercury poisoning.

Mad Hatter - Alice-in-Wonderland.net

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What does it mean to be mad as a hatter?

"Mad as a hatter" is a colloquial English phrase used in conversation to suggest (lightheartedly) that a person is suffering from insanity. The etymology of the phrase is uncertain, with explanations both connected and unconnected to the trade of hat-making.

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Mercury Poisoning in Alice in Wonderland – Science On

https://scienceonblog.wordpress.com/.../mercury-poisoning-in-alice-in-wonderland/

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Sep 1, 2016 - In other words, hatters could become unstable physically and mentally- they could go “mad.” It may be interesting to note that the design of the Mad Hatter in the 2010 live-action movie Alice in Wonderland may be based on the theory that he suffered from mercury poisoning.

Erethism - Wikipedia

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Some believe that the character the Mad Hatter in Lewis Carroll's Alice in Wonderland is an example of someone suffering from erethism, but the origin of this account is unclear. ... Mad hatter disease, or mad hatter syndrome, was an occupational disease among hatmakers, caused by chronic mercury poisoning.

‎Medications · ‎History · ‎Hatters of New Jersey · ‎"Mad as a hatter"

The Not-So-Mad Hatter: Occupational Hazards of Mercury

www.cas.org/news/insights/science-connections/mad-hatter

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by KJ Kitzmiller - ‎Related articles

... in 1865 and reprised by Tim Burton's 2010 movie, Alice in Wonderland. ... Telltale signs of mercury poisoning also included those often seen in hatters: ...

Mad Hatter's Disease - YouTube

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https://www.youtube.com/watch?v=quA_EdrYLFw

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Jun 22, 2013 - Uploaded by Mary Hibbs

To learn more about mercury and Lewis Carroll, http://amzn.com/B00KMQS1HG ... I did a Google search for ...