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Mr. Callahan
27 years teaching physics in Los Angeles
- 🇺🇸 Los Angeles, California, United States
- St. Mary's Secondary School
- Since 2006
- English, Spanish
I teach physics and economics at St. Mary's Secondary School, Los Angeles. My door was open at lunch.
Outside the classroom I fix old bicycles. Inside it, my door is open at lunch.
What gifts mean to Mr. Callahan: Any gift will help me keep tutoring for free.
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