![Bill Chappell](https://clas.ucdenver.edu/physics/sites/default/files/styles/large_square_thumbnail/public/people/faculty-chappell_bill-ps.jpg?itok=SlfDXk9i)
Willard 'Bill' Chappell, Ph.D.
Professor Emeritus
Physics
![Richard Geyer](https://clas.ucdenver.edu/physics/sites/default/files/styles/large_square_thumbnail/public/people/faculty-geyer_richard.jpg?itok=smGZQynT)
Richard Geyer, Ph.D.
Senior Instructor
Physics
![Martin Maltempo](https://clas.ucdenver.edu/physics/sites/default/files/styles/large_square_thumbnail/public/people/faculty-maltempo_martin.jpg?itok=o0ysW5o2)
Martin Maltempo, Ph.D.
Professor Emeritus
Physics
![maxson](https://clas.ucdenver.edu/physics/sites/default/files/styles/large_square_thumbnail/public/people/maxson-web-full.jpg?itok=LlBp6w6x)
Steve Maxson, Ph.D., J.D.
Senior Instructor
Physics
![Bill Simmons](https://clas.ucdenver.edu/physics/sites/default/files/styles/large_square_thumbnail/public/people/faculty-simmons-bill-ps.jpg?itok=0G7tsAK-)
William 'Bill' Simmons, Ph.D.
Associate Professor
Physics
![clyde](https://clas.ucdenver.edu/physics/sites/default/files/styles/large_square_thumbnail/public/people/clas_1803050783.jpg?itok=-bozWRNT)
Clyde Zaidins, Ph.D.
Professor Emeritus
Physics