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.
Martha Griffiths and the Equal Rights Amendment. Martha Griffiths (D-MI) was a member of the United States House of Representatives from 1955-1974. She was the first woman to serve on the powerful House Committee on Ways and Means and was instrumental in getting the prohibition of sex discrimination added to the landmark Civil Rights Act of 1964. Griffiths is also known for resurrecting the Equal Rights Amendment (ERA). The ERA was a proposed amendment to the U.S. Constitution that guaranteed equal rights under the law for Americans regardless of their sex. The ERA was first drafted in 1923 by suffragist Alice Paul.