"Math and Physics professor with PhD degree and 20+ yrs experience"
...Physics is one of the oldest academic disciplines, perhaps the oldest through its inclusion of astronomy. Over the last two millennia, physics was a part of natural philosophy along with chemistry, certain branches of mathematics
, and biology, but during the Scientific Revolution in the 16th century, the natural sciences emerged as unique research...
10+ subjects, including algebra 1, algebra 2 and calculus