Confusion and a lot of questions exist as to detonation and pre-ignition. Sometimes you hear mistaken terms like pre-detonation. Detonation is one phenomenon that is abnormal combustion. Pre-ignition is another phenomenon that is abnormal combustion.
From Wikipedia, the free encyclopedia. Martha Herbert is an American physician and assistant professor of neurology at Harvard Medical School and pediatric neurologist at Massachusetts General Hospital. Herbert is also director of the TRANSCEND program at the Athinoula A. Martinos Center for Biomedical Imaging.
Lillian Wald, Public Health Nursing. In addition to being a famous nurse, Lillian Wald was also a humanitarian, teacher, peace and civil rights activist, social worker, public health official and author. Her nursing education allowed her to see the deplorable conditions that she labored so valiantly to improve and gave her the knowledge and skills to achieve her mission.