Dr. Gary K. Rockswold has been a professor and teacher of mathematics, computer science, astronomy, and physical science for over 40 years. He has taught not only at the undergraduate and graduate college levels, but he has also taught middle school, high school, vocational school, and adult education. He received his BA degree with majors in Mathematics and Physics from St. Olaf College, Northfield, Minnesota, and his Ph.D. in applied mathematics from Iowa State University, Ames, Iowa. He was nominated to Phi Beta Kappa, Phi Kappa Phi, and Sigma Xi. He has been a principal investigator at the Minnesota Supercomputer Institute, publishing research articles in numerical analysis and parallel processing and is currently an emeritus professor of mathematics at Minnesota State University, Mankato. He is an author for Pearson Education and has over 10 current textbooks at the developmental and precalculus levels. His coauthor and friend is Terry Krieger. They have been working together for over two decades. Making mathematics meaningful for students and professing the power of mathematics are special passions for Gary. In his spare time he enjoys hiking, sailing, doing yoga, and spending time with his family. Source: [Rockswold | Krieger Math](https://rockswoldkriegermath.com/about/)