Didier Dumas (1943–2011) was a French psychoanalyst and author, known for his work on the impact of family dynamics and unconscious traumas across generations. His career as a psychoanalyst was dedicated to understanding the ways in which childhood and family experiences shape the adult psyche. In his most notable work, Biblia și fantomele sale, Dumas merges psychoanalysis with biblical interpretation, proposing that many of the issues we face today are deeply rooted in the transgenerational transmission of unresolved traumas.

Throughout his career, Dumas was recognized for his innovative approach to therapy, drawing connections between spiritual traditions and modern psychoanalytic theory. His writings continue to influence discussions on psychogenealogy, as he was one of the pioneers in analyzing the psychological and emotional effects of familial secrets on future generations.