| G. W. T. | Rev. Griffithes Wheeler Thatcher, M.A., B.D.- Warden of Camden College, Sydney, N.S.W. Formerly Tutor in Hebrew and Old Testament History at Mansfield College, Oxford.
| | Mubarrad. |
| H. B. Wo. | Horace Bolingbroke Woodward, F.R.S., F.G.S.,- Formerly Assistant Director of the Geological Survey of England and Wales. President, Geologists' Association, 1893-1894. Wollaston Medallist, 1908.
| | Miller, Hugh. |
| H. Ch. | Hugh Chisholm, M.A.- Formerly Scholar of Corpus Christi College, Oxford. Editor of the 11th edition of the Encyclopaedia Britannica. Co-editor of the 10th edition.
| | Meredith, George; Milan Obrenovitch IV.; Morley, Viscount. |
| H. E. | Karl Hermann Ethé, M.A., Ph.D.- Professor of Oriental Languages, University College, Aberystwyth (University of Wales). Author of Catalogue of Persian Manuscripts in the India Office Library, London (Clarendon Press); &c.
| | Mirkhond. |
| H. Fr. | Henri Frantz.- Art Critic, Gazette des beaux arts, Paris.
| | Meissonier. |
| H. F. B. | Horatio Robert Forbes Brown, LL.D.- Editor of the Calendar of Venetian State Papers, for the Public Record Office. Author of Life on the Lagoons; Venetian Studies; John Addington Symonds, a Biography; &c.
| | Milan (in part). |
| H. F. G. | Hans Friedrich Gadow, F.R.S. Ph.D.- Strickland Curator and Lecturer on Zoology in the University of Cambridge. Author of “Amphibia and Reptiles,” in the Cambridge Natural History.
| | Migration: Zoology; Moa. |
| H. H. L. | Henry Harvey Littlejohn, M.A., M.B., C.M., F.R.C.S. (Edin.), F.R.S. (Edin.)- Professor of Forensic Medicine in the University of Edinburgh.
| | Medical Jurisprudence (in part). |
| H. L. H. | Harriet L. Hennessy, M.D. (Brux.), L.R.C.P.I., L.R.C.S.I.-
| | Medical Education, U.S.A. (in part). |
| H. L. S. | H. Lawrence Swinburne (d. 1907).-
| | Medal: War Decorations (in part). |
| H. M. S. | Henry Morse Stephens, M.A. Ph.D.- Balliol College, Oxford. Professor of History and Director of University Extension, University of California. Author of History of the French Revolution; Modern European History; &c.
| | Mirabeau, Honoré. |
| H. N. D. | Henry Newton Dickson, M.A., D.Sc., F.R.S. (Edin), F.R.G.S.- Professor of Geography at University College, Reading. Formerly Vice-President, Royal Meteorological Society. Lecturer in Physical Geography, Oxford. Author of Meteorology; Elements of Weather and Climate; &c. .
| | Mediterranean Sea; Mexico, Gulf of. |
| H. O. | Hermann Oelsner, M.A., Ph.D.- Taylorian Professor of the Romance Languages in University of Oxford. Member of Council of the Philological Society. Author of A History of Provençal Literature; &c.
| | Mistral. |
| H. St. | Henry Sturt, M.A.- Author of Idola Theatri; The Idea of a Free Church; Personal Idealism.
| | Metempsychosis. |
| H. S. J. | Henry Stuart Jones, M.A.- Formerly Fellow and Tutor of Trinity College, Oxford, and Director of the British School at Rome. Member of the German Imperial Archaeological Institute. Author of The Roman Empire; &c.
| | Mosaic: Ancient (in part). |
| H. S. M. | Henry Smith Munroe, D.Sc., Ph.D.- Professor of Mining, Columbia University, New York.
| | Mining. |
| H. S. W. | Henry Spenser Wilkinson, M.A.- Chichele Professor of Military History, University of Oxford. Fellow of All Souls College. Author of The Brain of an Army; &c.
| | Moltke, Count von. |
| H. T. A. | Rev. Herbert Thomas Andrews.- Professor of New Testament Exegesis, New College, London Author of “The Commentary on Acts” in the Westminster New Testament; Handbook on the Apocryphal Books in the “Century” Bible.
| | Missions (in part). |
| H. W. H. | Hope W. Hogg, M.A.- Professor of Semitic Languages and Literatures in the University of Manchester.
| | Mesopotamia. |
| H. W. C. D. | Henry William Carless Davis, M.A.- Fellow and Tutor of Balliol College, Oxford. Fellow of All Souls' College, Oxford, 1895-1902. Author of England under the Normans and Angevins; Charlemagne.
| | Montfort, Simon de. |
| H. W. R.* | Rev. Henry Wheeler Robinson, M.A.- Professor of Church History in Rawdon College, Leeds. Senior Kennicott Scholar, Oxford, 1901. Author of Hebrew Psychology in Relation to Pauline Anthropology (in Mansfield College Essays); &c.
| | Micah (in part). |
| I. A. | Israel Abrahams, M.A.- Reader in Talmudic and Rabbinic Literature in the University of Cambridge. Formerly President, Jewish Historical Society of England. Author of A Short History of Jewish Literature; Jewish Life in the Middle Ages; Judaism; &c.
| | Meïr; Meir of Rothenburg; Menasseh ben Israel; Mendelssohn, Moses; Mocatta; Molko. |
| J. A. C. | Sir Joseph Archer Crowe, K.C.M.G.- See the biographical article, Crowe, Sir J. A.
| | Memlinc (in part). |