Catholic Christian
Jérôme Lejeune was a French pediatrician and geneticist who worked on the link between chromosomal differences and Down Syndrome. He was a member of the Pontifical Academy of Sciences. He was declared Venerable by Pope Francis in 2021.
Click here for Vatican Observatory Faith and Science entries about Jérôme Lejeune.
Lejeune, Jérôme (1926-1994) – Vatican Observatory
