One of them is definitely Sigmund Freud, he is the central person in the psychoanalytic dream interpretation. The other is his Swiss student, Carl Jung.
Alfred Adler respected and acknowledge the work on dream but he himself rather focused on the inferiority complex.
The Madonna and Child is a representation of Virgin Mary holding child Jesus.
Answer:
The answer is the letter C
Hope this helps dude
I believe it was in the 1930's.