Conversion and Calling, Mentor's Guide

Douglas Self, Ben Duncan, Ian Sinclair, Richard Brice, John Linsley Hood, Andrew Singmin, Don Davis, Eugene Patronis, John Watkinson, Douglas (Senior designer of high-end audio amplifiers; Contributor to Electronics World magazine) Self, Pro & Hi-Fi; and prolific equipment designer) Duncan, Ben (International consultant in high quality Audio Electronics, UK) Sinclair, Ian (Long-standing technical author, Canada) Brice, Richard (Commercial Director of Miranda Technologies, a global company specialising in television and channel-branding equipment in Saint-Laurent, Cumbria) Hood, John Linsley ((1925-2004) Independent Technical Author; Formerly at Department of Atomic Energy at Sellafield, Canada) Singmin, Andrew (ISO 9000 Quality Assurance Manager for Conexant Systems Inc. in Ottawa, Don (Founder of Synergetic Audio Concepts) Davis, USA) Patronis, Eugene (Professor of Physics Emeritus at the Georgia Institute of Technology in Atlanta, Georgia, video and data recording) Watkinson, John (Reading, UK; International consultant in audio

Don Davis, Eugene Patronis, Pat Brown, USA) Patronis, Eugene (Professor of Physics Emeritus at the Georgia Institute of Technology in Atlanta, Georgia

Eugene Cernan, Donald A. Davis, Don Davis

Jack Coughlin, Casey Kuhlman, Don Davis

Don Davis, Don Davis

Don Davis, Donald A Davis, Donald A. Davis

Don Davis

Don Davis, Carolyn Davis

Don Davis, Cirleen DeBlaere, Joshua N. Hook, Jesse Owen, Cirleen Deblaere, Joshua N Hook

Joshua N. Hook, Don Davis, Daryl R. Van Tongeren, Joshua N Hook, Daryl R van Tongeren

Don Davis, Mihaela Frenț, Mihaela Frenț, Rev. Dr. Don Davis, Mihaela Fren¿, Rev. Don Davis

Don Davis, Mihaela Frenț, Mihaela Frenț, Rev. Dr. Don Davis, Mihaela Fren¿, Rev. Don Davis

Don Davis, Călin G Morar, Călin G. Morar, Rev. Dr. Don Davis, Calin G. Morar, Rev. Don Davis, C¿lin G. Morar

Don Davis, Terry Cornett, Claudiu Pop, Rev. Dr. Don Davis, Rev. Terry Cornett, Rev. Don Davis

Don Davis, Terry Cornett, Claudiu Pop, Rev. Dr. Don Davis, Rev. Terry Cornett, Rev. Don Davis

Don Davis, Mihaela Frenț, Mihaela Frenț, Rev. Dr. Don Davis, Mihaela Fren¿, Rev. Don Davis

Don Davis, Călin G Morar, Călin G. Morar, Rev. Dr. Don Davis, Calin G. Morar, Rev. Don Davis, C¿lin G. Morar

Don Davis, Mihaela Frenț, Mihaela Frenț, Rev. Dr. Don Davis, Mihaela Fren¿, Rev. Don Davis

Don Davis, Călin G Morar, Călin G. Morar, Rev. Dr. Don Davis, Calin G. Morar, Rev. Don Davis, C¿lin G. Morar

Stephen Levinson, Don Davis, Scott Slimon, Jun Huang