Who painted the big picture?

The phrase "the big picture" can refer to various contexts, but if you're asking about a specific painting, it might refer to a notable artwork like "The School of Athens" by Raphael, which depicts a gathering of great philosophers and thinkers. Alternatively, if you're speaking metaphorically about understanding broader contexts, it emphasizes the importance of seeing beyond details to grasp overall concepts. If you have a specific artwork in mind, please provide more details!