In 1958, Lejeune had discovered that an extra 21st chromosome is responsible for Down syndrome, or Trisomy 21. The publication of his discovery appeared in the journal Nature in 1959. Some would try to use this discovery to eliminate children with Trisomy 21 before they were born. Lejeune dedicated his life tirelessly and unfailingly to defending them, and all the unborn.
When I spoke with Professor Lejeune personally for the first time in July..."
http://www.cultureoflife.org/2015/05/05/who-was-professor-jerome-lejeune/
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