Edwin S. Shneidman was a father of contemporary suicidology & his work reflected an intensive study of suicide. His contributions are some of the essential studies in the field. The works can be divided into 5 parts: definitional & theoretical; suicide notes; administrative & programmatic; clinical & community; & psychological & postvention. This paper explicates selected works & shares Shneidman’s writings on each category to allow readers to understand suicide & Shneidman better. (34 refs.)