Topic: Space Ship Sappy: Just realized...

[Desmond Of The Outer Sanctorum]

Having recently watched this, I decided to take a look at the cast credits, and saw that actress Doreen Woodbury (the professor's daughter) was deceased by the time the short was released! 

[Boid Brain]

According to this old article it was suicide.

http://www.glamourgirlsofthesilverscreen.com/show/288/Doreen+Woodbury/index.html