John Dalrymple (physician)

John Dalrymple (1803 - May 2, 1852) was an English ophthalmologist who was born in Norwich. In 1827 he graduated from the University of Edinburgh, and subsequently became an eye surgeon at the Royal Ophthalmic Hospital in London.

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Dalrymple is remembered for his histological work done with Henry Bence Jones (1814-1873) in the discovery of the albumin that was to become known as Bence Jones protein. This protein is often found in the blood and urine of patients with multiple myeloma. He published his findings in a treatise called On the microscopic character of mollities ossium.

Dalrymple also composed two important books on ophthalmology called The anatomy of the human eye (1834) and Pathology of the human eye (1852). The eponymous Dalrymple's sign is named after him, which is an abnormal wideness of the palpebral fissures in exophthalmic goiter.