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His rival, , used Golgi's own stain to prove the opposite: that the nervous system was made of billions of individual, separate neurons. Cajal’s "neuron doctrine" was eventually proven correct, but he couldn't have seen it without Golgi’s stain. Modern Histology: A Digital Frontier Staining the Small Stuff: Why Histology is Awesome
Surprisingly, one of the most important figures in histology, , mistrusted microscopes. Working in the late 1700s, he identified 21 different types of human tissues through gross dissection alone. He believed that diseases didn't just hit "organs" but specific "tissues" within them—a revolutionary idea that modern medicine is built upon. The Nobel Rivalry: Golgi vs. Cajal
In 1906, two men shared a Nobel Prize while fundamentally disagreeing with each other. invented a silver-staining technique that turned neurons dark brown, making them visible for the first time. He believed the brain was a single, continuous "web".