CLARA
PICHON Rivière

Enrique Pichon-Rivière (June 25, 1907 – July 16, 1977) was a psychiatrist considered one of the introducers of group psychoanalysis in Argentina and generator of the group theory known as Grupo operativo (Operative Groups).

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Arminda Aberastury (1910–1972), was an early Argentinian psychoanalyst. She was born in Buenos Aires. Through her brother Frederico, who suffered from mental illness, she came to meet Enrique Pichon-Rivière, and married him in 1937. She joined a local, mostly European group interested in psychoanalysis.