Geneva, Switzerland, celebrated a most remarkable 90^th birthday jubilee. A highly respected Canadian surgeon who enjoys excellent mental and physical condition, and continues to perform the scientific and organizational work for which he has long been recognized throughout the world. A pioneer of medical emergency systems, Professor Gunn has contributed greatly to the emergence and evolution of Disaster Medicine, Humanitarian Medicine, and the expansion of surgical fields in developing and "third world" countries. He worked closely with officials for many countries and has continued this collaboration with Czech healthcare and medical educational institutions; most notably with Charles University in Prague and ...