The Mathematical Sciences Research Institute sponsored a
three day conference, May 21-23, 1984 to honor Professor George W.
Mackey. The title of the conference, Group Representations, Ergodic
Theory, Operator Algebras, and Mathematical Physics, reflects the
wide ranging interests in science that have characterized Professor
Mackey's work. The conference provided an opportunity for his
students, friends and colleagues to honor him and his contributions.
The conference was attended by over one hundred people and the
participants included five mathematical generations - Professor
Mackey's mathematical father, Marshall Stone, many mathematical
children, grandchildren, and at least one mathematical great-grandchild.
This volume is a compendium of the scientific papers presented
at the conference plus some additional papers contributed after the
conference. The far ranging scope of the various articles is a further
indication of the large number of fields that have been affected by
Professor Mackey's work.