Notes for reflective presentation on multi-factorial model Extensive typed notes for a reflective presentation on the multi-factorial model and the history of its development. The notes expand upon Sonnabend's background and how he was able to observe the growth of the AIDS epidemic; those he collaborated with and the subjects for his research. All pages include heavy annotation which reflects the notes repeated use over time. References to LAV and HTLV-3 have been replaced with HIV.