John Leonard Knapp (1767–1845)

Botanist. Joined the navy at a young age but left due to ill health. Lieutenant in the Herefordshire militia, 1792; captain, Northamptonshire militia, 1795, but resigned the same year. In 1813, moved to Alveston, Gloucestershire, where he owned some farmland. Wrote The journal of a naturalist (1829), describing the natural history, agriculture, and life of the area.