15100 Introduction to Computer Science F08 | F07 | F06 | F05 F04 | F03 | F02 15400 Introduction to Computer Systems S08 22001 Software Construction W08 | W06 | F04 | S04 51090 Software Construction W06 | F04 | S04 | S03 If you got email claiming to be from me, via a gmail.com address, about a research position, it probably is not me and you might be being scammed. My email is robby@northwestern.edu.