"Forbes, James David"@en . . . "1809Z"^^ . . "James David Forbes"@en . "1868-12-31Z"^^ . . . "James David Forbes FRS FRSE FGS (20 April 1809 \u2013 31 December 1868) was a Scottish physicist and glaciologist who worked extensively on the conduction of heat and seismology. Forbes was a resident of Edinburgh for most of his life, educated at the University and a professor there from 1833 until he became principal of the United College of St. Andrews in 1859.He invented the seismometer in 1842."@en . "British geologist" . . . "1868Z"^^ . "1809-04-20Z"^^ . .