Background
Halliday was born in Woodburn Cottage, Wemyss Bay, Renfrewshire, the son of James Wightman Halliday, an estate gardener.
Halliday was born in Woodburn Cottage, Wemyss Bay, Renfrewshire, the son of James Wightman Halliday, an estate gardener.
Halliday was educated at Skelmorlie Primary School and Greenock Academy. Then tuberculosis of the spine left him unable to stand until 1947, and it was 1952 before he graduated.
He was the chairman (leader) of the Scottish National Party (Scottish National Party) from 1956 to 1960. He joined the Scottish National Party in 1943, aged 16, and also registered for military service in World World War World War II Halliday began studying at the University of Glasgow in 1944, joining the Glasgow University Scottish Nationalist Association and playing an active part in union debates. He worked teaching history at Coatbridge High School, Uddingston Grammar School and Dunfermline High School.
In He worked at the Dundee College of Education from 1967 to 1988, initially joining as a lecturer in history, then he became principal lecturer of history and head of department in 1979.
He specialised in modern history and had a particular interest in the history, politics and constitution of the United States. Although aged only 28, Halliday seemed the natural replacement as he had been the Scottish National Party parliamentary candidate for Stirling and Falkirk Burghs at the 1955 general election, and the only other Scottish National Party candidate besides McIntyre.
Halliday contested the Stirling and Falkirk Burghs seat again at the 1959 general election and West Fife in 1970. Halliday led the Scottish National Party for four years but felt he had to resign due to the pressures of working life.
Halliday remained active in the Scottish National Party, and was a regular columnist for the Scots Independent newspaper and chairman of the company which publishes lieutenant
In 1956, Halliday was elected leader of the Scottish National Party when Robert McIntyre decided to step down due to his belief that there was some opposition to him remaining leader amongst the party ranks.