. . . ordinary men and women may often feel unmotivated to exert their citizenship, either because they cannot tell the difference between the different alternatives, or because they have lost faith in the political classes, or because they feel that the really important issues are not in their power to decide.
Only about seventy years ago was chemistry, like a grain of seed from a ripe fruit, separated from the other physical sciences. With Black, Cavendish and Priestley, its new era began. Medicine, pharmacy, and the useful arts, had prepared the soil upon which this seed was to germinate and to flourish.