Colin Cook initially trained as a Radiographer and taught Dental Radiography at Birmingham Dental School, qualifying as a Further Education Teacher, before studying Dentistry. Upon qualification he joined the Royal Air Force where he completed a 16 year commission. Colin’s interest in Dental Radiology continued and he obtained his MSc in Dental Radiology in 1995. He was appointed the Tri-Service advisor in Dental Radiology and established widely acclaimed training programmes at levels ranging from initial Dental Nurse up to postgraduate Dental. His work was recognised by the Award of the Lean Memorial Prize for outstanding contribution to the Royal Air Force Dental Branch in 1999 and in 2000 he was chosen as Dentist of the Year by Nexus Communications. In 2002, Colin was admitted to the General Dental Council’s Specialist List in Dental and Maxillofacial Radiology and upon leaving the Armed Forces established SD Radiology as the UK’s first dedicated Dental Imaging Facility. Colin joined the Eastman Dental Institute as a visiting Lecturer and Specialist in Dental Radiology in 2004 with a specific remit to produce an e-based course that would meet the Ionising Radiation (Medical Exposure) Regulations 2000 recommendation for 5 yearly verifiable CPD update in Dental Radiography.