John Lorimer (surgeon)
John Lorimer (1732–1795) was a Scottish surgeon, mathematician, politician and cartographer in the 18th century.
He was born at his father's farm of Alnaboyle in the parish of Mortlach, Banffshire, the son of John Lorimer and Isobel Green. He died at his home in Portland Place, Charlotte Street, London, England on 15 July 1795.
Lorimer served as a surgeon for the British army in North America between 1758 and 1784, participating in both the French and Indian War and the American Revolution. He was a fellow of the Royal College of Physicians of Edinburgh, and author of the book A Concise Essay on Magnetism; with an Account of the Declination and Inclination of the Magnetic Needle; and an Attempt to ascertain the Cause of the Variation thereof, published in 1795.