Lúcia de Jesus Rosa dos Santos, OCD, (28 March 1907 – 13 February 2005) also known as Lúcia of Fátima and by her religious name Maria Lúcia of Jesus and of the Immaculate Heart, was a Portuguese Catholic Discalced Carmelite nun. Sister Lúcia and her cousins Francisco and Jacinta Marto claimed to have witnessed the apparitions of Our Lady of Fátima in 1917.
Jérôme Jean Louis Marie Lejeune (13 June 1926 – 3 April 1994) was a French pediatrician and geneticist, best known for his work on the link of diseases to chromosome abnormalities, most especially the link between Down Syndrome and trisomy-21 and cri du chat syndrome, amongst several others, and for his subsequent strong opposition to, in his opinion, the improper and immoral use of amniocentesis prenatal testing for eugenic purposes through selective and elective abortion. He is venerated in the Catholic Church, having been declared Venerable by Pope Francis on 21 January 2021.