Historic photos of turf industry people

Dr. Nick Christians of Iowa State has posted some old photos of turf industry people and is looking for help in identifying some of them. Here is his post from March 25:

There are some very old pictures of people involved in the turf industry in the following link.  These were left to me by Ed Cott, who was in turf extension at Iowa State from the late 1940’s to the early 80’s.  Click on this link to see all of the pictures.-Dr. Nick Christians