Petrus Johannes Waardenburg

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Petrus Johannes Waardenburg (born 3 June 1886 in Nijeveen, died 1979) is a Dutch ophthalmologist and geneticist.

He studied medicine at the University of Utrecht, and then specialized in ophthalmology and doctoral studies from hereditary pathology and pathology. He was also interested in genetic diseases of the eye, and he also dealt with the genetics of twins (he was the father of two twins). In 1932 he suggested that Down syndrome could be caused by a chromosomal abnormality, a fact confirmed only 27 years later by Lejeune et al. Authoritative control (person):

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