Anthemius; Apollonius of Perga; Archimedes; Hero of Alexandria; Pappus of Alexandria; Porism, etc.

F. R. Helmert, Professor of Geodesy in the University of Berlin:

Earth, Figure of the (in part); Geodesy (in part).

O. M. F. Henrici, Professor of Mechanics and Mathematics in the Central Technical College of the City and Guilds of London Institute. Author of Vectors and Rotors; Congruent Figures, etc.:

Calculating Machines; Geometry, I. Euclidean; II. Projective; III. Descriptive; Perspective; Projection.

E. W. Hobson, Fellow and Tutor in Mathematics, Christ’s College, Cambridge. Stokes Lecturer in Mathematics in the University:

Fourier’s Series; Spherical Harmonics; Trigonometry.

A. E. Jolliffe, Fellow, Tutor and Mathematical Lecturer, Corpus Christi College, Oxford. Senior Mathematical Scholar, 1892:

Continued Fractions; Maxima and Minima; Series.

H. Lamb, Professor of Mathematics, University of Manchester, formerly Fellow and Assistant Tutor of Trinity College, Cambridge; Member of Council of Royal Society, 1894–1896. Royal Medallist, 1902. President of London Mathematical Society 1902–1904. Author of Hydrodynamics, etc.: