Ralf Gustav Dahrendorf, Baron Dahrendorf, was a German-British sociologist, philosopher, political scientist and liberal politician. A class conflict theorist, Dahrendorf was a leading expert on explaining and analysing class divisions in modern society. Dahrendorf wrote multiple articles and books, his most notable being Class and Conflict in Industrial Society (1959) and Essays in the Theory of Society (1968).

The European Commissioner for Trade is the member of the European Commission responsible for the European Union's common commercial policy.