I was interviewing retired Imagineer Frank Armitage a few weeks ago and he mentioned the following:
[I worked on a bunch of things. I mentioned the Upjohn and the Mormon film for the World Fair. They asked me to create the "Hereafter", for which I had to get a Vision from the Elders before I illustrated it.]
His wife then added:
[Frank says he does not remember how Disney got involved in the Mormon film. He just said that Disney also did work for Upjohn Pharmeceuticals. He said he remembers that job distinctly because he was asked to illustrate an erection which he did... ( he worked with Ken O'Connor on it) When Walt saw it - he said "no way"... so they panned up the shaft with the voice over info and stopped before they got to the end!!!]
The film at the fair’s pavilion, Man's Search for Happiness, is described here.
The Disney Archives have no record of the Disney Studio being involved in this project.
That movie and the documentary about the Mormon pavilion were directed by Judge Whitaker, a former Disney artist. Aside from Frank Armitage and Ken O'Connor, another Disney artist who was actually working at the Disney Studio at the time, Eric Larson (who was a Mormon) also animated on the project. In addition, former Disney composer Leigh Harline, who, unlike Frank, Ken and Eric, was no longer working at Disney, provided the music.
So was the Studio involved in this or not? I see no reason why they would have been, but I would love to know why so many Disney artists were part of its cast.