Francis McManus is Honorary Professor of Law at the University of Stirling and Emeritus Professor of Law at Edinburgh Napier University. He is the author of a number of textbooks including, Delict Essentials 4th edition (EUP, 2021), Scottish Environmental Law Essentials (EUP, 2020), Environmental Law in Scotland (SULI) and Environmental Law in Scotland (EUP,2015). He has also contributed to many other books. He has a special interest in, and has published extensively on noise law. He is the National Treasurer and Scottish Chairman of the United Kingdom Noise Association (UKNA). He is also assistant editor and contributor to Scottish Planning and Environmental Law (SPEL).Andy McKenzie is a director of Hayes McKenzie Partnership Ltd. He has 40 years experience both as a researcher and as an acoustics consultant. He is a fellow of the UK Institute of Acoustics and has given evidence at over 80 planning inquiries and hearings on noise.