Ralph R. Greenson was a renowned American psychoanalyst known for his work in the field of psychoanalysis. He is best known for his contributions to the study of narcissism, his work with celebrity patients, and his writings on the therapeutic relationship in psychoanalysis.

Yes, formal training is required to become a psychoanalyst. This typically involves completing a doctoral or postgraduate degree in psychology or psychoanalysis, gaining clinical experience under the supervision of a licensed psychoanalyst, and completing psychoanalytic training programs. Certification by a professional psychoanalytic organization is also often necessary.

Charles Rycroft was a British psychoanalyst and writer known for his works on psychology and psychoanalysis. Some of his notable books include "A Critical Dictionary of Psychoanalysis" and "Psychoanalysis and Beyond." Rycroft's writings have been influential in the field of psychoanalytic theory and practice.

Angel Garma was a Spanish psychoanalyst known for his work on psychoanalytic theory and practice. He has written several influential books and articles on topics such as dreams, creativity, and psychoanalytic technique. Additionally, Garma was a prominent figure in the development of psychoanalysis in Spain.

Took me a bit to figure this out too: Licensed Psychoanalyst -- someone who has done postgraduate work in psychoanalysis and has gone through analysis themselves. Generally they do intensive work with patients on patterns of thought and behavior.