Bob Argyle has observed double stars since 1966. He has been Director of the Webb Deep-Sky Society's Double Star Section since 1970. He edited Observing and Measuring Visual Double Stars (2012) and writes monthly columns on double stars for Astronomy Now and the Webb Society. He is a Fellow of Royal Astronomical Society, a Member of the International Astronomical Union and Editor of Observatory magazine. Mike Swan worked for the Ordnance Survey in England. He has extensive experience in computer graphics and uranography and was solely responsible for the Webb Deep-Sky Society Star Atlas. He is currently completing a two part Atlas of Galactic Clusters. In this volume he produced the finder charts, the all-sky charts and orbital plots. Andrew James has been interested in double stars since the late 1970s. He is a long-term member, and past President, of the Astronomical Society of New South Wales (ASNSW), and formed its Double Star Section in 1979. His interests include the historical backgrounds and works of various discoverers of southern double stars.