His is an exceptional story. One of learning the art, science, and craft of photography back in the days when there were no digital cameras, no in-built light meters, and no way of knowing if you got a good, in focus, correctly exposed photo, until you took the film and developed it (yourself) in the darkroom. You needed to carry a notebook around, in those days, in which you recorded the aperture, shutter duration, and description of each image, so you could, later, go back and analyze what you did wrong, or right… More here.
A brilliant(!) article which may make you look at photography in a different way.