Peter's career as Principal Lecturer at the University of Hertfordshire encompassed teaching and research in microbial physiology and fermentation technology. He spent sabbatical periods at ICI Fermentation Products, the Warren Spring Laboratory and in the laboratory of Professor Ayaaki Ishizaki, Kyushu University, Japan. He also held managerial responsibilities as Head of Biochemistry and Microbiology, and as Associate Head of the School of Life Sciences. Peter is now retired but returns as a Visiting Lecturer in the field. He is a member of the Microbiology Society and was previously Treasurer of the Society and Convener of the Fermentation Group.

1. An introduction to fermentation processes 2. Microbial growth kinetics 3. The isolation and improvement of industrially important microorganisms 4. Media for industrial fermentations 5. Sterilization 6. Culture preservation and inoculum development 7. Design of a fermenter 8. Instrumentation and control 9. Aeration and agitation 10. The recovery and purification of fermentation products 11. Effluent treatment 12. The production of heterologous proteins