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Granted, the author's use of the term psychopathy was a bit crass. However, the association between artists and self-destruction is an ancient one. Giorgio Vasari (1511-1574) was perhaps the first person to write seriously about artists. He states that most artists have inherited from nature...
"...a certain element of savagery and madness, which, besides making them strange and eccentric, had brought it about that very often there was revealed in them more the obscure darkness of vice than the brightness and splendour of those virtues that make men immortal."
> Piers D. G. Britton. “Raphael and the bad humours of painters in Vasari’s Lives of the Artists*”. In: Renaissance Studies 22.2 (2008), pp. 174–196
More recently, others have written about the significant impact that syphilis-related mania had on a number of notable artists of the late 19th and early 20th century, such as Edouard Manet (1832-1883), Charles Baudelaire (1821-1867) and Oscar Wilde (1854-1900).
> Julien Bogousslavsky and Laurent Tatu. “ ́Edouard Manet’s Tabes Dorsalis: From Painful Ataxia to Phantom Limb”. In: European Neurology 76.1-2 (2016), pp. 75–84
> Haroun Jedidi et al. “A brief history of syphilis. The disease through the art and the artist”. In: Revue medicale de Liege 73 (July 2018), pp. 363–369.
Should an artist be unfortunate enough to have lived a trauma-free life, there is a chance that he might invent one. The German artist Joseph Beuys (1921-1986) claimed to have experienced life-threatening injuries as a fighter pilot in the second world war which had influenced the form and content of his art. However, towards the end of his life it was found that these experiences were almost entirely untrue.
> Benjamin HD Buchloh. “Beuys: the Twilight of the Idol; Preliminary Notes for a Critique”. In: Artforum 18.5 (1980), pp. 35–43.
Significantly, this revelation did not particularly affected his reputation as an artist. What does this tell us about the audience/consumer's need for an artist to be accompanied (explained?) by a myth?
Then of course, is the link between addiction and creativity. We all know of the positive and negative impact that drugs had on popular music. But did you know that the painter J. M. W. Turner (1775-1851) was a morphine addict? And Jean Cocteau (1889-1963)?
I could go on.