Leonardo Da Vinci is known today as a renowned painter, architect, inventor and scientist. Historical accounts say he was also a procrastinator and he never finished a number his projects including his Adoration of the Magi and perhaps even the Mona Lisa. To explain this behavior, a researcher from Kings College, London proposed a new theory — the great Da Vinci may have had Attention Deficit/Hyperactivity Disorder or ADHD.
Source: tatoeba (12213945)