• Source: Kurt Hirschhorn

Kurt Hirschhorn (May 18, 1926 – November 25, 2022) was an Austrian-born American pediatrician, medical geneticist, and cytogeneticist who identified the chromosomal defects that underlie Wolf–Hirschhorn syndrome. He was the 2006 recipient of the John Howland Award, the highest award bestowed by the American Pediatric Society (APS).




Early life



Hirschhorn was born in Vienna. Fleeing anti-Semitic persecution, the family relocated to Switzerland, then to the US, briefly in New York City before settling in Pittsburgh, Pennsylvania.




Career



Hirschhorn was Professor of Pediatrics, Genetics and Genomic Sciences, and Medicine Chairman Emeritus of Pediatrics at the Icahn School of Medicine at Mount Sinai in New York City. He was a fellow of the Hastings Center, an independent bioethics research institution.




Honors and awards



In 1995, Hirschhorn received the William Allan Award in human medical genetics.




Personal life


Hirschhorn was married to Rochelle Hirschhorn, who was chief of the Division of Medical Genetics at New York University for 24 years. Their son Joel Hirschhorn is also a human geneticist.




Wolf–Hirschhorn syndrome



Wolf–Hirschhorn syndrome (WHS), caused by a chromosomal abnormality, is characterized by typical craniofacial features in infancy consisting of "Greek warrior helmet appearance" of the nose (the broad bridge of the nose continuing to the forehead), microcephaly, high forehead with prominent glabella, ocular hypertelorism, epicanthus, highly arched eyebrows, short philtrum, downturned mouth, micrognathia, and poorly formed ears with pits/tags.
All affected individuals have prenatal-onset growth deficiency followed by postnatal growth retardation and hypotonia with muscle underdevelopment. Developmental delay and mental retardation of variable degree is present in all.




References



Cooper H, Hirschhorn K (1961). "Apparent deletion of short arms of one chromosome (4 or 5) in a child with defects of midline fusion". Mammalian Chromosomes Newsletter. 4 (14).
Hirschhorn K, Cooper HL, Firschein IL (1965). "Deletion of short arms of chromosome 4-5 in a child with defects of midline fusion". Humangenetik. 1 (5): 479–82. doi:10.1007/bf00279124. PMID 5895684. S2CID 32805973.
Childs, Barton (2003-01-23). "Introductory Speech for Kurt Hirschhorn". American Journal of Human Genetics. 72 (2). American Society of Human Genetics: 241. doi:10.1086/346212. PMC 379217. PMID 12635649.
"The Mount Sinai Medical Center Profile".

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