Beck, Erdelyi, and Hannak
Maximilian Beck, a philosophy professor from the University of Munich, was a Christian from Czechoslovakia. He never found a permanent position after Wilson and died in 1954.
Michael Erdelyi was a psychology professor. He was a Catholic from Hungary. He was hired full-time at Wilson as a sabbatical replacement. His contract was renewed but Erdelyi left Wilson for another position with higher pay.
Philippine Hannak was a law professor from the University of Vienna. She was a Protestant. There is no further information about her after she left Wilson.