John Adair (author) John Adair (author) Professor John Eric Adair (born 18 May 1934) is a British academic who is a leadership theorist and author of more than forty books (translated into eighteen languages) on business, military and other leadership. Adair was born in Luton and educated at St Paul's School before undertaking his National Service as a second lieutenant in the Scots Guards from 1953 to 1955. Unusually, he served as adjutant of a Bedouin regiment in the Arab Legion and was briefly in command of the garrison of Jerusalem in the front line. He also studied at Hull Nautical College (where
John Frederick Adair he was an assistant master at Derby School. From 1887 to 1890 he was demonstrator in physics at the University of Sydney. Adair died at Ballsbridge, County Dublin, Ireland at the age of 61. Adair played cricket for Trinity College, Dublin between 1870 and 1874. John Frederick Adair John Frederick Adair (20 January 1852 – 1 April 1913) was an Irish mathematician and physicist who taught in England and Australia. He was a keen cricketer who played first class cricket for Cambridge University in 1875. Adair was born at St Stephen's Green, Dublin, the son of John Adair, lawyer of