308 APPENDIX II 



STRUVE, Friedrich Georg Wilhelm (1793-1864), pro- 

 fessor of astronomy, Dorpat Univ., and director, Dorpat 

 Observatory, Eussia, 1820-38 ; director Pulkova Observa- 

 tory, Kussia, 1839-62. Geodetic measurements and 

 astronomical researches. 



STURGEON, William (1783-1850), shoemaker by trade ; 

 served in army, 1802-20 ; lecturer in science, East India 

 College, Addiscombe, 1824 ; inventor of soft-iron electro- 

 magnet, 1823, magneto-electrical machine, electro-magnetic 

 rotary engine, electro-magnetic coil machine, etc. ; founder 

 of Annals of Electricity (first journal of electricity in 

 England), 1836. 



SYKES, Col. William Henry (1790-1872), F.E.S. ; M.P., 

 1857-72 ; chairman, Board of Directors, East India Co., 

 1856 ; lord rector, Marischal Coll., Aberdeen, 1854 ; president, 

 Koyal Asiatic Soc., 1858 ; president, Statistical Soc., 1863. 



SYLVESTER, James Joseph (1814-97), professor of 

 natural philosophy, University Coll., London, 1837-41 ; 

 of mathematics, Univ. of Virginia, 1841-45 ; Woolwich, 

 1855-70 ; Johns Hopkins Univ., 1877-83 ; Savilian pro- 

 fessor of geometry, Oxford Univ., 1883-97. 



TALFOURD, Sir Thomas Noon (1795-1854), M.P., 1835 

 seqq. ; sargeant, 1833 ; justice of the common pleas, 1849 ; 

 dramatic writer and biographer. 



TAYLOR, John (1779-1863), F.E.S., chemical manu- 

 facturer and mining engineer ; one of the founders of B.A., 

 and of Univ. Coll., London ; trustee and general treasurer, 

 B.A., 1832-62. 



THOMPSON, Silvanus Phillips (1851-1916), F.E.S., pro- 

 fessor of experimental physics, Univ. Coll., Bristol, 1876- 

 1885; principal and professor of physics, City and Guilds 

 Technical Coll., Finsbury, 1885-1916. Eesearches in optics, 

 electricity, etc. 



THOMSON, Sir Charles Wyville (1830-82), F.E.S., pro- 

 fessor of natural history, Edinburgh Univ., 1870 ; organised 

 oceanographical expeditions (north of Scotland, 1868 ; 

 Mediterranean, 1870 ; world-expedition on board H.M.S. 

 Challenger, 1872-76) ; Kt., 1876. 



