Murray MacCallum is a senior lecturer at Napier University in Edinburgh, where he has been a member of staff in the School of Engineering for nearly 20 years. During that time he has taught on a wide variety of courses, from general electronics to more specialist subjects like PCB manufacture and CAD. He has also supervised many projects at both undergraduate and postgraduate level.

Murray has designed and delivered a range of short and longer-term training courses for industry, concentrating mostly on electronics manufacture. He is a qualified instructor with the US PCB authority, the IPC. He has also engaged in a number of consultancy projects, most notably the design and installation PCB prototyping laboratory in Sri Lanka.

Alan Edgar has worked at Napier University for many years. He is a Lecturer and Teaching Fellow in the School of Engineering. In that time, he has lectured and supervised project work in all areas of electrical and electronic engineering, both at undergraduate and postgraduate levels. Recently he had been responsible for the application of embedded systems and circuit implementation techniques..

Over the years, Alan has been involved using a variety of CAD software packages for circuit design, simulation and PCB manufacture. He is an experienced author and provider of short specialist training courses, with the emphasis on all areas of the electronic manufacture and assembly business.