You can find Ken Houston's "office" home page at
http://www.infj.ulst.ac.uk/~cdmx23/interests.htm
Ken has retired from the University of Ulster where he was Professor of Mathematical Studies and is now an Emeritus Professor. Patricia has retired from her job as a receptionist in a local medical centre.
You may also like to visit http://glencairn.connor.anglican.org/index.htm