Short answers, pulled from the story.
Oliver Gordon Selfridge entered the world on the 10th of May 1926 in England. His father worked at his family's department store chain while his mother held a clerk position within that same business empire.
The Dartmouth workshop gathered eleven people including Marvin Minsky and Oliver Selfridge during the summer of 1956 to mark the birth of artificial intelligence. This conference laid out plans for research that seemed impossible at the time regarding machines thinking like humans.
Selfridge published Pandemonium: A Paradigm For Learning in 1959 which introduced demons that recorded events and recognized patterns. This architecture influenced modern approaches to machine perception and neural networks while aspect-oriented programming grew directly from these theoretical foundations.
J.C.R. Licklider and Robert Taylor named a concept OLIVER in his honor in 1968 standing for On-Line Interactive Vicarious Expediter and Responder. The name reflected how computers could act as intermediaries between users and machines during his tenure at Lincoln Laboratory attached to MIT.
Duncan Campbell later identified Selfridge as his best source for reporting on wiretapping activities at RAF Menwith Hill according to New Statesman coverage. That operation became known as a billion dollar phone tap before Selfridge retired from active duty in 1993.