Who was Professor Jérôme Lejeune?

A great scientist of the 20th century, a pioneer of modern genetics, notably by the discovery of trisomy 21, French Professor Jérôme Lejeune (1926-1994) devoted his whole life to the service of handicapped children. He cared for more than 9,000 patients and their parents from all over the world in his medical practice in Paris. Continue reading “Who was Professor Jérôme Lejeune?”