You may have heard of Leonardo da Vinci, Pyotr Ilyich Tchaikovsky and Tracey Emin, but what of the art patrons who supported and financed their careers? Art is a famously difficult industry in which to gain wealth quickly. The trope of the ‘struggling artist’ exists for a reason—it’s hard for creatives to find the time to perfect their style and build their skillset whilst also supporting themselves financially. Most of the greatest painters of all...