John Henry Lefroy (1817–90)

Army officer and meteorologist. At the Royal Military Academy, Woolwich, 1831–4. Made an expedition to discover the geomagnetic characteristics of British North America and to attempt to locate the magnetic north pole, 1843–4. Retired from the army, 1870. Governor of Bermuda, 1871–7; of Tasmania, 1880–1. Published on many subjects, including meteorology, botany, military history, and the Bermudas. FRS 1848. Knighted, 1877.