Now we have a problem with this picture. It is clearly written Mr & Mrs John Kruse on the picture but the second scan below shows that a different name was written on the side of the photo sleeve.
That last name is not a Manning name as far as I've seen, but it could be possible it was misspelled and could be actually be a Manning name.

Mr & Mrs John Kruse

Now it is hard to determine the exact spelling of the last name which could be Wilhoff, Willsoff, or Wilkoff.