The first color plate, Autochrome invented by the French Lumiere brothers, readched the market in 1907. It was based on a "screen-plate" filter made of dryed dots of potato starch and was the only color film on the market until 1932.
Many advances happend along the years, but instant color flim was introduced by Polaroid in 1963.
I'm sure the painting of photos took alot of families interest before the years of color shots. My own great-grandma threw a fit to have her eyes painted blue. ( She was only 6 at the time.) She told her Ma that if she didn't pay the photographer the extra nickel she would run away. Ma did it, and its a story we have told to anyone that gazes at that photo.
It is the lack of Christianity that has brought us where we are. Not a lack of churches or religious forms but of the real thing in our hearts. LIW.....Words From a Fearless Heart