Mark W. Johnson's Homepage

Professor of Mathematics 

Penn State Altoona 


Dr Johnson's office is 113 Hawthorn, which is on the first floor of the faculty office wing. 

Contact Information 

The best way to contact Dr. Johnson is via email at Full contact information follows: Penn State Altoona
3000 Ivyside Park
Altoona, PA 16601-3760
(814) 949-5758 

Office Hours 

Regular office hours will be held Mondays, Wednesdays and Fridays in 113 Hawthorn from 10 to 11 AM, or by appointment. 

Students should consider these times as a standing appointment with the instructor and take advantage of this opportunity to have questions answered or to receive help with background difficulties. Dr. Johnson is also available at certain other times by appointment, so if you cannot make any of these times, email and ask about alternatives. 


This spring, Dr. Johnson is teaching Math 140.

The Learning Resources Center 

The Learning Resources Center is a great place to start looking for resources outside the classroom, such as tutors or websites with useful and interesting information. 


Dr. Johnson's research area is in algebraic topology, but includes fairly broad interests surrounding that field. 

Comments and questions on this website should be addressed to Dr. Mark W. Johnson.