In addition to his wife, Christine (Martin) Pendergast, a past president of the Port Jefferson Station Teachers Association on Long Island, he is survived by a son, Christopher, who is known as Buddy; a daughter, Melissa Scriven; and a grandson.
Mr. Pendergast and his wife chronicled the family’s collaborative effort to confront A.L.S. in a book, “Blink Spoken Here: Tales From a Journey to Within,” which was published this year. The title comes from the eye-tracker computer that uses infrared light to substitute for oral speech when patients lose their voice.
After retiring from…