Frank J. Haynes (1853 - 1921) and his son, Jack Ellis Haynes (1884 - 1962) are considered  to be photo historians of Yellowstone National Park. Their beautiful hand tinted photographs document  the early history of the Park. Prior to the advent of color photography, the Haynes Studios of Yellowstone National Park and St. Paul, MN perfected the process of hand coloring the black and white photos of the late 19th and early 20th centuries. These original works are now coveted by collectors worldwide. Jack Ellis Haynes took over the photo business when his father retired in 1916. In 1930 he married Isabel Haynes and they made their home in Bozeman, Montana. Due to their dedication to their works in the Park, Jack became known as "Mr. Yellowstone." After his death in 1962, Isabel continued to operate the photo shops in Yellowstone until 1967 when the businesses were sold to Hamilton Stores. At that time there were 13 Haynes Photo shops in the Park.

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