Like Werdna, I missed this thread last week.
My condolences. Grandparents are the wisdom keepers and when one goes, they take all that knowledge and history with them.
I never knew my grandfathers. They were all gone by the time I was born. I had a grandmother, however, that filled in the blanks.
That is a wonderful photo and smile. It is great to have to remind you what a fine soul your grandfather was.