Steuart Campbell (born 1937) is an Edinburgh-based sceptic and investigative science writer born in Birmingham. Campbell trained as an architect and worked as one until the mid-1970s. He then gained a degree in mathematics and science from the Open University (BA, 1983).
- The Loch Ness Monster: The Evidence. 1986. (Prometheus. 1997. ISBN 1573921785), (Birlinn. 2002. ISBN 1841581984). Debunking belief in the Loch Ness Monster by analysis of all the main evidence, including the various photographs, eye-witness reports and sonar evidence.
- The UFO Mystery Solved. Explicit Books. 1994. ISBN 0952151200. A critical examination of UFO reports and their explanation in terms of meteorological and astronomical phenomena.
- The Rise and Fall of Jesus. Explicit Books. 1996. ISBN 0952151219. (WPS. 2009. Revised ed. ISBN 1904623735). Examines the Jesus myth and the origins of Christianity. It suggests that Jesus wanted to be crucified. The foreword is by James Thrower.
- Chinook Crash. Pen & Sword. 2007. ISBN 1844150747. An examination of the crash of RAF Chinook helicopter ZD576 on the Mull of Kintyre.
He is also the author of over 100 articles on superstitions (religious and non-religious), language problems, genealogy, scientific beliefs, optical phenomena (astronomical and meteorological), electricity generation and global warming.