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 and to imprint them upon glass prepared by the deposit of a sensitive film. He also paved the way for Sir George Stokes’s discovery of fluorescence, by his addition of the lavender rays to the spectrum, and by his announcement in 1845 of “epipolic dispersion,” as exhibited by sulphate of quinine. Several other important researches connected with the undulatory theory of light are embodied in his treatise on “Light” published in the Encyclopaedia metropolitana.

Perhaps no man can become a truly great mathematician or philosopher if devoid of imaginative power. John Herschel possessed this endowment to a large extent; and he solaced his declining years with the translation of the Iliad into verse, having earlier executed a similar version of Schiller’s Walk. But the main work of his later life was the collection of all his father’s catalogues of nebulae and double stars combined with his own observations and those of other astronomers each into a single volume. He lived to complete the former, to present it to the Royal Society, and to see it published in a separate form in the Philosophical Transactions, vol. cliv. The latter work he left unfinished, bequeathing it, in its imperfect form, to the Astronomical Society. That society printed a portion of it, which serves as an index to the observations of various astronomers on double stars up to the year 1866.

A complete list of his contributions to learned societies will be found in the Royal Society’s great catalogue, and from them may be gathered most of the records of his busy scientific life. Sir John Herschel met with an amount of public recognition which was unusual in the time of his illustrious father. Naturally he was a member of almost every important learned society in both hemispheres. For five years he held the same office of master of the mint, which more than a century before had belonged to Sir Isaac Newton; his friends also offered to propose him as president of the Royal Society and again as member of parliament for the university of Cambridge, but neither position was desired by him.

In private life Sir John Herschel was a firm and most active friend; he had no jealousies; he avoided all scientific feuds; he gladly lent a helping hand to those who consulted him in scientific difficulties; he never discouraged, and still less disparaged, men younger than or inferior to himself; he was pleased by appreciation of his work without being solicitous for applause; it was said of him by a discriminating critic, and without extravagance, that “his was a life full of serenity of the sage and the docile innocence of a child.”

He died at Collingwood, his residence near Hawkhurst in Kent, on the 11th of May 1871, in the seventy-ninth year of his age, and his remains are interred in Westminster Abbey close to the grave of Sir Isaac Newton.

Besides the laborious Cape Observations, Sir John Herschel was the author of several books, one of which at least, On the Study of Natural Philosophy (1830), possesses an interest which no future advances of the subjects on which he wrote can obliterate. In 1849 came the Outlines of Astronomy, a volume still replete with charm and instruction. His articles, “Meteorology,” “Physical Geography,” and “Telescope,” contributed to the 8th edition of the Encyclopaedia Britannica, were afterwards published separately. When he was at the Cape he was more than once assisted in the attempts there made to diffuse a love of knowledge among men not engaged in literary pursuits; and with the same purpose he, on his return to England, published, in Good Words and elsewhere, a series of papers on interesting points of natural philosophy, subsequently collected in a volume called Familiar Lectures on Scientific Subjects. Another less widely known volume is his Collected Addresses, in which he is seen in his happiest and most instructive mood.

See also Mrs John Herschel, “Memoir of Caroline Herschel,” ''Month. Notices Roy. Astr. Society'', xxxii. 122 (C. Pritchard); Proceedings ''Roy. Society'', xx. p. xvii. (T. Romney Robinson); Proceedings ''Roy. Society of Edinburgh'' vii. 543 (P. G. Tait); Nature iv. 69; E. Dunkin, Obituary Notices, p. 47; ''Report Brit. Association'' (1871), p. lxxxv. (Lord Kelvin); The Times. (May 13, 1871); R. Grant, ''History of Phys. Astronomy; A. M. Clerke, Popular Hist.'' of Astronomy; A. M. Clerke, The Herschels and Modern Astronomy; J. H. Mädler, Geschichte der Himmelskunde, Bd. ii.; Mémoires de la Société Physique de Genève, xxi. 586 (E. Gautier). Reductions, based on standard magnitudes of 919 southern stars, observed by Herschel in sequences of relative brightness, were published by W. Doberck in the Astrophysical Journal, xi. 192, 270, and in Harvard Annals, vol. xli., No. viii.

HERSCHELL, FARRER HERSCHELL, (1837–1899), lord chancellor of England, was born on the 2nd of November 1837. His father was the Rev. Ridley Haim Herschell, a native of Strzelno, in Prussian Poland, who, when a young man, exchanged the Jewish faith for Christianity, took a leading part in founding the British Society for the Propagation of the Gospel among the Jews, and, after many journeyings, settled down to the charge of a Nonconformist chapel near the Edgware Road, in London, where he ministered to a large congregation. His mother was a daughter of William Mowbray, a merchant of Leith. He was educated at a private school and at University College, London. In 1857 he took his B.A. degree at the University of London. He was reckoned the best speaker in the school debating society, and he displayed there the same command of language and lucidity of thought which were his characteristics during his official life. The reputation which Herschell enjoyed during his school days was maintained after he became a law-student at Lincoln’s Inn. In 1858 he entered the chambers of Thomas Chitty, the famous common law pleader, father of the late Lord Justice Chitty. His fellow pupils, amongst whom were A. L. Smith, afterwards master of the rolls, and Arthur Charles, afterwards judge of the queen’s bench division, gave him the sobriquet of “the chief baron” in recognition of his superiority. He subsequently read with James Hannen, afterwards Lord Hannen. In 1860 he was called to the bar and joined the northern circuit, then in its palmy days of undividedness. For four or five years he did not obtain much work. Fortunately, he was never a poor man, and so was not forced into journalism, or other paths of literature, in order to earn a living. Two of his contemporaries, each of whom achieved great eminence, found themselves in like case. One of these, Charles Russell, became lord chief justice of England; the other, William Court Gully, speaker of the House of Commons. It is said that these three friends, dining together during a Liverpool assize some years after they had been called, agreed that their prospects were anything but cheerful. Certain it is that about this time Herschell meditated quitting England for Shanghai and practising in the consular courts there. Herschell, however, soon made himself useful to Edward James, the then leader of the northern circuit, and to John Richard Quain, the leading stuff-gownsman. For the latter he was content to note briefs and draft opinions, and when, in 1866, Quain donned “silk,” it was on Herschell that a large portion of his mantle descended.

In 1872 Herschell was made a queen’s counsel. He had all the necessary qualifications for a leader—a clear, though not resonant voice; a calm, logical mind; a sound knowledge of legal principles; and (greatest gift of all) an abundance of common sense. He never wearied the judges by arguing at undue length, and he knew how to retire with dignity from a hopeless cause. His only weak point was cross-examination. In handling a hostile witness he had neither the insidious persuasiveness of a Hawkins nor the compelling, dominating power of a Russell. But he made up for all by his speech to the jury, marshalling such facts as told in his client’s favour with the most consummate skill. He very seldom made use of notes, but trusted to his memory, which he had carefully trained. By this means he was able to conceal his art, and to appear less as a paid advocate than as an outsider interested in the case anxious to assist the jury in arriving at the truth. By 1874 Herschell’s business had become so good that he turned his thoughts to parliament. In February of that year there was a general election, with the result that the Conservative party came into power with a majority of fifty. The usual crop of petitions followed. The two Radicals (Thompson and Henderson) who had been returned for Durham city were unseated, and an attack was then made on the seats of two other Radicals (Bell and Palmer) who had been returned for Durham county. For one of these last Herschell was briefed. He made so excellent an impression on the local Radical leaders that they asked him to stand for Durham city; and after a fortnight’s electioneering, he was elected as junior member. Between 1874 and 1880 Herschell was most assiduous in his attendance in the House of Commons. He was not a frequent speaker, but a few