Taught me also , let you eat midget gems in class , as long as you gave him some . RIP Once a red ALWAYS a Red
If it is the person I think it is, be comforted in the fact that he inspired me to become a teacher. I still tell my learners about how passionate he was about his subject and how much of all round good person he was. I won't forget how good he was to me.
Very sad news. All of my kids went to Darton High and there's every chance your Dad may have taught at least one of them, perhaps all three of them. Deepest condolences to you and your family.