Copyright © 2013, Iranian Society of Pediatrics; Licensee Safnek Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Iranian Society of Pediatrics expresses its most sincere condolences on the occasion of this sad event to his kind wife, dear children, relatives and the esteemed family of the late professor Dr. Mohammad Garib, friends, and the venerable society of Iranian Medicine. On the event of this occasion a brief biography of Dr. Mohsen Ziai, his fruitful life and valuable services is presented here: Dr. Mohsen Ziai was born in Khorasan, the eighth generation of his family of doctors from Torbat-e-Heidarieh region. He was born in 1928 and passed away in April, 2013. He pursued his studies up to the end of high school in Torbat-e-Heidarieh, Mashhad and Tehran and went to Johns Hopkins University (Baltimore) for General Medicine courses. Specialty and subspecialty education in infectious diseases: Harvard University Books: Four books in the field of pediatrics are his memorable works. These four books are: 1)Pediatrics Text Book 2)Bedside Pediatrics 3)Neonatal Medicine 4)The Joys of Pediatrics In addition he published frequent essays in the field of health and hygiene and pediatrics training in famous, international medical journals. Membership in global associations and awards/honors achieved during service in USA. Honoury member of American Pediatric Society. Member of Mother/Child Experts Committee in WHO. Member of Pediatric Infection Disease Specialists. Membership of Alpha Omega Alpha Medical Honor Society. Honorary Fellow, American Academy of Pediatrics. Alumni Distinguished Achievement Award from Davis and Elkins College. Outstanding Faculty Teaching Award by the Pediatric House Staff University of Rochester, 1979. Third Year Outstanding Teacher Award, University of Rochester School of Medicine and Dentistry, 1981. Keith Miner Ford Award for Excellence in Teaching by the Graduating Class of 1982, The University of Rochester School of Medicine and Dentistry. Third Year Outstanding Teacher Award, The University of Rochester School of Medicine and Dentistry, Class of 1983. Honored by Rochester General House-Staff 1982 Teacher of the Year Award by the Pediatric House Staff, Georgetown University, 1983. Honored by Shiraz University Medical School Alumni Association 1989. Golden Apple Award by the Georgetown University School of Medicine, presented in 1985, 1987, 1988, and 1994. Golden Apple Orchard, 1988 and in 1994 selected beyond the Orchard; all presented by Georgetown University Medical Students. Teacher of the Year, Presented by Inova Fairfax Hospital for Children House-Staff, 1998, 2000. Honored by Iranian American Medical Association, 1998. Lifetime Achievement Award, Virginia Chapter, American Academy of Pediatrics, 2000. Samuel P. Asper Award in International Medical Education Presented by Johns Hopkins University, June 2001. Honorary Doctor of Science Degree/David & Elkins Collage, 31 March 2003. The late Dr. Mohsen Ziai, one of the genius figures of medicine in the world, provided exceptional and memorable services in Iran and USA. Among his substantial services in pediatrics are emphaArchive of SID