Speirs Major (formerly Speirs + Major, Speirs and Major Associates) is a UK lighting design practice founded by Jonathan Speirs (1958-2012) and Mark Major in 1993. The practice is noted for its illumination of many prominent buildings, including Barajas International Airport, 30 St Mary Axe (‘The Gherkin’), the Millennium Dome and the interior of St. Pauls Cathedral. The firm has also developed lighting master plans for several British cities, including Cambridge, Coventry, Durham, Newcastle, and for major private developments including Greenwich Peninsula and King’s Cross Central, London