The current state of the radical left and, more broadly, politics in Scotland has its roots in the unique set of political, economic and intellectual conditions found in the 1960s and 1970s. Where mainstream accounts of the origins and development of Scottish nationalism - and its increasing popularity on the left - emphasise political and economic origins in these decades, this chapter emphasises the equally crucial intellectual developments of the period. Khruschev’s ‘secret speech’, ‘de-Stalinization’ and the Soviet invasion of Hungary in 1956 engendered a growing plurality of perspectives on the European left, and it was under these new conditions that the British left increasingly questioned Stalinist orthodoxies, and established criti...