- 1880 – Arnold Gesell, American psychologist and paediatrician (d. 1961).
- 1924 – Jean Laplanche, French psychoanalyst and academic (d. 2012).
Arnold Lucius Gesell (21 June 1880 to 29 May 1961) was an American psychologist, paediatrician and professor at Yale University known for his research and contributions to the fields of child hygiene and child development.
Jean Laplanche (21 June 1924 to 06 May 2012) was a French author, psychoanalyst and winemaker. Laplanche is best known for his work on psychosexual development and Sigmund Freud‘s seduction theory, and wrote more than a dozen books on psychoanalytic theory. The journal Radical Philosophy described him as “the most original and philosophically informed psychoanalytic theorist of his day.”
From 1988 to his death, Laplanche was the scientific director of the German to French translation of Freud’s complete works (Oeuvres Complètes de Freud / Psychanalyse – OCF.P) in the Presses Universitaires de France, in association with André Bourguignon, Pierre Cotet and François Robert.