In 1925, when this reviewer was attached as foreign assistant to the university psychiatric clinic at Sainte Anne, he made the acquaintance of a young psychiatrist who was destined to a brilliant future, becoming later Professeur agrégé at the medical faculty and medécin-chef de la Maison Nationale de Charenton, that famous hospital outside Paris, founded by Esquirol, which has counted on its staff many of the leading psychiatrists of France, such as Bayle, Moreau de Tours, Legrand du Saulle, Delasiauve, and many more.
H. Baruk has made many important contributions to social and moral psychiatry but has been particularly interested in experimental biological investigation related to psychiatric disorders. In 1928, in collaboration with de Jong of Amsterdam, he produced experimental catatonia in animals by means of bulbocapnine. By 1934 his researches had attracted sufficient attention so that the Rockefeller Foundation established for him an experimental psychopharmacological laboratory in which