 She also was known as a great educator, as one of her students who she instructed was Ruth Howard, the 1stAfrican-American female, to receive a Ph.D. in psychology.However, due to a degenerative disease, she was forced to retire early and moved to New-Hampshire, where she eventually went blind.Despite the illness which induced a loss in sight and hearing, Goodenough published three more books after learning braille; "Mental Testing