[4] Refused for army service due to short-sightedness, Sachs spent much of the war helping Freud continue to produce psychoanalytic journals, and in 1919 he decided to change from law to (lay) analysis, practicing in Berlin from 1920 onwards.
[5] Among the analysts he helped train were Nina Searl and Erich Fromm,[6] Rudolf Loewenstein and Michael Balint.
[9] Ernest Jones, who considered Sachs his closest friend among the Viennese, adjudged him both the wittiest and the most apolitical of Freud's inner circle.
[11] In the latter, Sachs explored the role of relieving guilt feelings provided by the sharing of daydreams in children, and of art experiences in adults.
[15] Franz Alexander et al., Psychoanalytic Pioneers (1995) Phyllis Grosskurth, The Secret Ring: Freud's Inner Circle and the Politics of Psychoanalysis (1991)