Professor / lecturerEmail verified
Dr. Callahan
Retired computer science lecturer
- 🇬🇧 Newcastle upon Tyne, England, United Kingdom
- Gateway State University
- 1986 to 2024
- English
My subject is computer science, and for 38 years I got to share it with undergraduates at Gateway State University.
I always had a bag of oranges in my drawer. It sounds small, but students remember small things.
I'm still learning every day.
More about Dr. Callahan
If you wrote a dissertation with me, I probably still have a copy on my shelf.
What gifts mean to Dr. Callahan: Any gift helps me keep buying books for students who can't afford them.
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