He was born in London in 1908. Connery started working as a theatre critic and journalist in pre-war time London, and worked for several newspapers including the Sunday Despatch. He fell ill with tuberculosis and had to spend the war recovering in a sanatorium on the Isle of Wight. But recover he did, and in the decade following the war he became the editor of two cinema magazines,The Kinematograph Weekly and The Picturegoer, and then as editor of Illusrated. Following this, in the mid-1950s, Connery became an Executive Film Producer for the Rank Organisation at Pinewood Studios. During his time with Rank he was involved in creating two crime drama series, Interpol Calling and Ghost Squad. In 1960 he set up his own company, Amlin Film Productions. Amlin produced several documentaries about the electricity and steam industries, in addition to making the film The Two Salisburys which compared the eponymous towns in the UK and Rhodesia.

Connery authored several fiction and non-fiction titles throughout his career. His most notable published title was his account of the lives of the internees on the Isle of Man during the 2nd World War entitled Island of Barbed Wire. His fictional writing included Trouble on the Line – a story of a mix-up at wayside railway station – and The Arrival of Master Jinks – the story of a doctor who discovers a drug that reduces the human gestation period from nine months to three months.