Roscoe, in entering Graham’s class-room, found himself, as he says, in a new world. One indication of the eagerness with which he exploited it may be gleaned from the circumstance that the enthusiastic young tyro at the end of the session came out the head of the class and gained the silver medal. His mother and sister soon followed him to town, and the family lived first in Torrington Square and next in Camden Town, where his cousin, Stanley Jevons, the economist, and afterwards one of his colleagues at Owens College, came to reside with them. One of his uncles was Mr. Justice Crompton, who had married into the Fletcher family, and was a great friend of his father. The judge always took a strong paternal interest in his nephew, and would have sent him to Cambridge had he been disposed to go there. The Crompton cousins were, he says, like brothers and sisters to him. It was in their drawing-room in Hyde Park Square that he first met Miss Lucy Potter, his future wife, then a girl of seventeen. Roscoe now elected to follow chemistry as a career, somewhat to the dismay of his relatives, who, he tells us, imagined he intended “to open a shop with red and blue glass bottles in the window,” such being the external indications of the calling of a chemist in this country. And no wonder they were perturbed, for any one not being registered as a “pharmaceutical chemist,” or as a “chemist and druggist,” who should presume to style himself a chemist was punishable with a fine. Liebig was not altogether well informed of the facts when he wrote to Berzelius that the English chemists were ashamed to call themselves such because the apothecaries had appropriated the name. It was not so much that they were ashamed as they were actually prohibited by law. Although nearly two generations have passed since those days, it may be doubted whether even now the public mind has quite grasped the distinction between a chemist properly so-called and an apothecary. Having settled upon his life’s work, Roscoe entered the Birkbeck Laboratory at University College, then under the direction of Williamson, whom Graham had just brought over from Paris, where he had been working with Laurent and Gerhardt. Roscoe had the highest appreciation of the genius and power of Williamson, and pays grateful homage to his memory in the following extract from his Autobiography: