Marion Downs (January 26, 1914 – November 13, 2014) was an American audiologist and Professor Emerita at the University of Colorado Health Sciences Center, Denver, who pioneered universal newborn hearing screening in the early 1960s, then spent more than 30 years trying to convince her peers to adopt the testing in hospitals and to place hearing aids on infants who showed hearing loss. She worked to alert the medical world to the developmental problems associated with childhood deafness. As a result of her efforts, 95 percent of all newborns in America today are screened for hearing loss. She devoted her professional life to the promotion of early identification of hearing loss in newborns, infants, and young children and to helping deaf and hard of hearing individuals lead fulfilling live