This paper examined the phenomena of literary genius by providing a retrospective case study and an analysis of the creative works of Russian poet Alexander Pushkin (1799-1837). Taking the readers into Pushkin’s unique world, we attempted to elucidate salient points of his short life, to understand his giftedness and his creative evolution, and to solve the mystery surrounding his spectacular downfall. Building on the works of Cesare Lombroso and Howard E. Gruber, we have utilised unique phenomenological method in “diagnosing” Pushkin. We considered several hypotheses relating to a number of neurodevelopmental and psychiatric conditions, and highlighted ADHD-associated cognitive and behavioural profile which may have contributed to Pushkin’...