“Vision without execution is hallucination. .. Skill without imagination is barren. Leonardo [da Vinci] knew how to marry observation and imagination, which made him history’s consummate innovator.” ImaginationCreativityGeniusCreative VisionLeonardo Da VinciCreative Problem SolvingFamous ArtistsFamous MindsGreat Geniuses Of World HistoryHistoric Inventors Book:Leonardo da Vinci Source: Leonardo da Vinci