Ben is a student from Walter White's chemistry class at the J. P. Wynne High School.
Ben was a student for Walter White when he taught chemistry at the J. P. Wynne High School. When asking a question about the mid-term, Walt - dealing with the Krazy-8 situation at the time - misheard it as "murder". ("")
He is later seen in Jesse Pinkman's rehab meeting for an unknown reason. ("")