Colin Brake (Decalog 3: Consequences) "War Crimes" by Simon Bucher-Jones (Short Trips) "uPVC" by Paul Farnsworth (More Short Trips) "Please Shut the Gate" by Stephen Lock (Short Trips and Sidesteps) "Constant Companion" by Simon A. Forward (Short Trips: Zodiac) "The Tip of the Mind" by Peter Anghelides (Short Trips: Companions) "One Small Step" by Nicholas Briggs (Short Trips: Past Tense) "Goodwill Towards Men" by J. Shaun Lyon (Short Trips: A Christmas Treasury) "That Which Went Away" by Mark Wright (Short Trips: Seven Deadly Sins) "Undercurrents" by Gary Merchant (Short Trips: A Day in the Life) "Visiting Hours" by Eddie Robson (Short Trips: A Day in the Life) "Mercury" by Eddie Robson (Short Trips: The Solar System) "Lepidoptery for Beginners" by John Dorney (Short Trips: Defining Patterns) "Homework" by Michael Coen (Short Trips: Defining Patterns) "Relative Dimensions" by Andrew Cheverton (Shelf Life) Comics "The Vampire Plants" by David Brian (Doctor Who Annual 1970) "The Robot King" by David Brian (Doctor Who Annual 1970) "The Tides of Time" (Cameo) by Steve Parkhouse and Dave Gibbons (Doctor Who Magazine) "Land of the Blind" by W. Scott Gray and Lee Sullivan (Doctor Who Magazine 224–226) "Renewal" by Tony Lee and Pia Guerra (''Doctor Who: The Forgotten #2) References External links Zoe Heriot on the BBC's Doctor Who website Television characters introduced in 1968 Doctor Who companions Female characters in television Fictional astrophysicists Fictional librarians Fictional mathematicians Fictional female scientists Fictional characters with eidetic memory Fictional people from the 21st-century Teenage characters in television