Paul MacKenzie Walker was a member of the Scottish Conservative Party, who contested the Motherwell South constituency in 1983, and the East Kilbride constituency in 1987.
The Scottish Conservative & Unionist Party (usually shortened to the Scottish Conservative Party or the Scottish Tories) is the part of the British Conservative Party that operates in Scotland. It's political philosophy promotes conservatism and strong British Unionism. The party was established in 1965, when the previously separate Unionist party was merged into the Conservative Party of England and Wales, and formed the basis of the modern UK Conservative Party.
From the guide to the Papers of Paul MacKenzie Walker, member of the Scottish Conservative Party, Scotland, 1966-1998, (Glasgow University Archive Services)