Sadly, R. D. Mittelstadt has passed away. Please consider visiting their Find A Grave memorial page and leaving some virtual flowers. Their enthusiasm for cemeteries and willingness to help future generations lives on through their contributions to Find A Grave.
If I have created a memorial page to which you would like to have biographical information added, drop me a line, because there are a couple of ways this website will allow your wishes to be fulfilled.
Conversely, if you find information posted by myself that you or your family would not like made public in this fashion, I will immediately remove said information at your request.