TIL about Sergey Prokudin-Gorsky a Russian photographer who traveled the Russian Empire from around 1909 to 1915, and would take 3 individual black-and-white photos, each with a filter (red, blue, and green) to create high-quality pictures in full color way before full color images were available.
https://en.wikipedia.org/wiki/Sergey_Prokudin-Gorsky (via Reddit)
