Martha D. Graves, 91, of Massena, died on January 9, 2023, at Massena Rehabilitation and Nursing Center, Allen-Denesha Funeral Home, DeKalb Junction, entrusted with arrangements. Martha was a generous donation to science. Burial will be in Stark Cemetery, South Colton, NY., at a later date. In lieu of flowers contributions can be made to the Potsdam Humane Association, the Hannawa Falls Fire Department or the Potsdam Rescue Squad