The Life of Ven. Jérôme Lejeune, Catholic Geneticist Who Discovered the Cause of Down Syndrome -

The Life of Ven. Jérôme Lejeune, Catholic Geneticist Who Discovered the Cause of Down Syndrome -: Jérôme Lejeune was a brilliant geneticist and devout Catholic who worked to uphold the sanctity of life in his scientific community.