Also noted for his work on magnetism and strength of materials.
His incorrect formulation Barlow's law in $1824$ appeared to demonstrate that long-distance transmission of electricity was unfeasible, and until it was disproved in $1831$ belief in it held back the development of telegraphy for some years.
- Born: 15 October 1776, Norwich, England
- 1801 - 1847: Assistant mathematics master at the Royal Military Academy, Woolwich
- 1823: Made a Fellow of the Royal Society
- 1824: Formulated the (incorrect) Barlow's law
- 1825: Received Copley Medal
- 1836, 1839, 1842 and 1845: Sat on various railway commissions
- Died: 1 March 1862, Kent, England
Inventions and Innovations
- 1811: Elementary Investigation of the Theory of Numbers
- 1814: A New Mathematical and Philosophical Dictionary
- 1814: New Mathematical Tables
- 1817: Essay on the strength and stress of timber