I'm still following! Do you have definitive dates of death for Theodore and Ada? The Soc Sec Death Index shows that T.V. died in Jul 1971, Princeton, Mille Lacs, Minnesota. The Minnesota Death Index has 28 Jul 1971 in Insanti, MN. I got his birth dates from those two sources. Did he have a birth certificate or family Bible entry or something, or was the date you have what the family always said?
Do you know where they were in 1940? I haven't been able to find them in the 1940 census.
Thanks for the update, I'll go look for the picture.