Esther Schindler writes "We all know that the arts reflect the technology of their times. So let's look at The Doctor ('the definite article,' as Tom Baker said in December 1974) and his use of computers. Actually, for a show so closely associated with the Slashdot-techie lifestyle, Doctor Who didn't have much to do with computers early on. This article by Peter Salus traces the formative years: 'In January 1970, Jon Pertwee (Doctor #3) acquired a Cambridge scientist (Caroline John as Liz Shaw) as his companion, which might lead the unsuspecting viewer to think that a firmer computer science basis might ensue. But only in April did Liz exhibit her technical knowledge (by recognizing a Geiger counter reading).' And then we get to K-9....."