Craig M. Johnson, Ph.D.

Professor of Mathematics
Center for Natural and Health Sciences building, Room 319
(570) 348-6291


B.S. in Mathematics: University of Illinois
M.S., Ph.D. in Mathematics: Purdue University

Research Area


Office Hours

Spring 2018 (January 17, 2018 to May 4, 2018) Monday, Wednesday, and Friday from 3:00 p.m. to 4;30 p.m. Tuesday from 2:00 p.m. to 3:00 p.m. or by appointment. Please email Dr. Johnson to make an appointment.


  • Free actions on closed surfaces by finite groups
  • Obstructions to embeddings of simplicial complexes into manifolds
  • Connections of mathematics to music theory
  • Use of technology in teaching