Charles Chree

Charles Chree, FRS (5 May 1860 – 12 August 1928) was a British physicist, an authority on terrestrial magnetism and atmospheric electricity, and for 32 years Superintendent of Kew Observatory.

[1] Chree was elected a Fellow of the Royal Society in 1897,[1] his candidacy citation listing his achievements as: "Author of the following memoirs, and of many others on analogous subjects - 1.

Stresses and strains in isotropic, elastic, solid ellipsoids, etc, Proc: R. Soc: 1895.

A solution of the equations Equilibrium of elastic solids etc, etc, Camb: Phil: Trans: XV.

The isotropic elastic sphere and spherical shell, Camb: Phil: Trans: XV.

Forced vibrations in isotropic, elastic, solid spheres, and spherical shells.

Longitudinal vibrations of aeolotropic bars with one axis of material symmetry.

[3] Chree was awarded the James Watt medal by the Institution of Civil Engineers in 1905.

Chree won the Royal Society Hughes Medal in 1919 "for his researches in terrestrial magnetism".

[5] He was appointed Superintendent of Kew Observatory in 1893, a post he retained until 1925, a remarkably long period of 32 years.