Charles Patrick “Pat” Monaghan, 73, passed away peacefully Thursday, April 2nd in Arlington, TX. Mr. Monaghan had a Ph.D. in Chemistry and was a graduate of Clemson University. As a U.S. Army Veteran, he served in the Vietnam War in Germany. He taught chemistry as a professor at Northwestern State University before moving to Dallas, TX where he had a distinguished career at Texas Instruments and later at Rochester Gauges. Survivors: best friend, 4 children, 11 grandchildren and 1 great-grandchild