Career
He was professor of Economics at Heriot-Watt University in 1966–1976. He was the President of the Royal Society of Edinburgh in 1993–1996.
He was professor of Economics at Heriot-Watt University in 1966–1976. He was the President of the Royal Society of Edinburgh in 1993–1996.
In 1985 Johnston was elected a Foreign Member of the Royal Swedish Academy of Engineering Sciences.