It wasn't easy -- it will take me days to put back together my books and references! I was sure that Cliff would beat me to the punch. And there were so many other good responses -- I'm surprised that someone else didn't nail it first.
Based on your clues, i.e., two same letters in the last name and at least one such same letter in the first name and then you gave us the vowel of "O" -- I knew that I was looking for at least two "O's" in the last name and at least one "O" in the first name.
Then with the date, I knew I should be looking at archery periodicals dating from the late 1930's to the mid 1940's. Also, you more or less confirmed that this person was a Michigan archer/bowhunter. In addition, based on the picture, I started to look for a person somewhat shorter than Fred and Nels. Additionally, while the mystery person was a bowhunter, I knew he must be a target archer based on the fact in the next photo you gave us -- he was doing an archery exhibition with Nels and Fred [I also figured that he had to be a decent shooter as both Nels and Fred were competitive archers].
I gave up on Archery magazine and Ye Sylvan Archer and then turned to the American Bowman-Review looking for a shooter/hunter from Michigan who met the above criteria. On pp. 10 of the November, 1939 issue of the ABR I found a photo at the bottom of the page that was captioned "Michigan Field Archers: Robert Cooper, Nelson Grumley, Mrs. Mary Calvert, Richard Hold and Fred Bear".
Fred Bear had taken first place in the 'Instinctive Division', Class A, while Horn took second place, Grumley took third and Cooper took fifth place. Mrs. Calvert had taken first place in the Ladies Class A division. This was the 12th Annual Field Tourney of the Michigan Archery Association.
While I didn't make a note of the reference, I believe that I also saw someplace that Cooper had harvested a deer in one of the Michigan archery hunts.
Wade - great contest - I had a lot of fun revisiting my old archery periodicals. This period of archery development was an interesting time from a tackle development standpoint. Bowhunting was really taking off as it was allowed in more and more states. Equipment was still very much 'traditional'. The period also strikes me that it was also very much a "fun" time -- a lot comradery among archers and bowhunters!
Again, thanks for the contest -- I really enjoyed it. When do you begin the next one?