Dr. Alida Cornelia Avery was a graduate of the New England Female Medical College of Boston in 1862 and was a professor of Human Physiology and Hygiene as well as Resident Physician at the newly founded Vassar College from 1866-1874. She moved to Denver, Colorado in 1874 and is credited as being the first woman to practice medicine in Colorado while also serving as the Superintendent of Hygiene for the State.
In 1876 she was elected the first president of the newly founded Colorado Woman Suffrage Association and worked diligently for the right to vote for Colorado women. Upon her death, her accomplishments in the Suffrage movement were still being recognized as a significant part of her legacy for the women in Colorado.