The story of doctor Santiago Ramón y Cajal, who adapting Golgi's silver staining method enabled the visualization of the real structure of the central nervous system, based on individual cells, the neurons. For which both were bestowed the Nobel prize in 1906.
Acting
Marsillach captures Cajal's volcanic pride and fragile ego.
Production
Lavish 1950s recreations of turn-of-century labs and lecture halls.

Director
León Klimovsky
Trivia, insights & behind the scenes
Made during Franco's Spain, the film subtly reframes Cajal's regional pride as national glory—a convenient political reading.
The real Cajal was also a gifted artist who drew his own neural observations; the film barely touches this, which feels like a missed biopic opportunity.
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