They don’t make student satisfaction quotes like they used to in the old days: “Dr Cullen was always at pains to examine his students from time to time on those parts of his course that had already been delivered; and wherever he found any one at a loss, he explained it anew, in a clear, familiar manner, suited to the capacity of the student.” This quote was from a former student of William Cullen, who took up the Chemical Lectureship at Glasgow in 1747. He held the first independent chemistry lectureship in Britain and Ireland, with chemistry previously being what…