Complex sentence: Fried's Rule was named after Dr. Kalman Fried (1914--1999), an Israeli Geneticist and Pediatrician who developed his own formula while treating and observing children at the University of Jerusalem Hospital, but he was more renowned as a Geneticist rather than a Pediatrician.
Split into simpler sentences: Fried's Rule was named after Dr. Kalman Fried (1914--1999), an Israeli Geneticist and Pediatrician who developed his own formula while treating and observing children at the University of Jerusalem Hospital. Dr. Fried though, was more renowned as a Geneticist rather than a Pediatrician.