After serving in the American Civil War and in the American Indian Wars of New Mexico where he contracted the Chickahominy fever, Henry A. DuBois settled in San Rafael, a place he qualified as a "sanitarium for chronic diseases" when publishing in the California Medical Society’s journal. He resided with Alfred Taliaferro, the first physician in the area. He purchased a wide land west of San Rafael, and opened the Mount Tamalpais Cemetery in August 1879[1]
In 1874, he launched the development program of Denver's San Rafael district.[1]
In 1887, Henry A. Dubois created the Pacific Coast Vaccine Farm, the first vaccine farm on the west coast.[1]
Henry A. Dubois died May 27, 1897, of the typhoid fever he contracted in Virginia.[1]