It was Dr. Benjamin Weininger's opinion that

[ipain.livejournal.com]

If [Berne] had been accepted by the Psychoanalytic Institute, he would never developed TA.
[Developing their own theory] happened to many persons rejected by the Analytic Society:
Alfred Adler, Carl Young, my pupil Reuben Fine, ... and of course, Erich Fromm and Karen Horny.

from Eric Berne: Master Gamesman by Elizabeth Watkins Jorgensen and Henry Irvin Jorgensen, Grove Press NY 1984, p. 164.