Dr. Bruce Chubb is a Master Model Railroader and the author of the model railroading books, How To Operate Your Model Railroad, The Computer/Model Railroad Interface (C/MRI) User's Manual and the two-volume Railroader's Application Handbook - a complete thesis on railroading applications. Bruce is a renowned author in Model Railroader and NMRA Magazine with over 60 articles to his credit. He is a major speaker at numerous NMRA national and regional conventions. Bruce, a retired electrical engineer in digital systems applied to aerospace, is currently occupied full time building and operating his Sunset Valley Oregon System to model ten prototype railroads operating in the Pacific Northwest. Additionally, Bruce is involved helping others incorporate the benefits of a computer interfaced to their model railroads via JLC Enterprises.