I have been Professor of Physics for about 30 years. I am the coauthor of a BS level textbook in the material science area. I have worked at Wright Patterson Air Force base as a material scientist before joining the PG County School system. This is my 6th year in the county. My certification areas are: Mathematics and Science. During last 7 years I have taught science for 5 years and math for 2 years in the school system.