- Category : 1922-births
- Type : GE
- Profile : 2/4 - Hermit / Opportunist
- Definition : Split - Small (51)
- Incarnation Cross : RAX Contagion 3
French physician, genetics specialist, and founder in 1968 of the first French laboratory mapping human genes associated with a clinical unit.
Jean Frézal introduced to France the Guthrie test, a neonatal heel prick test which screens newborns for phenylketonuria.
He died on 30 November 2007 in Paris.