Sir John Russell Reynolds, 1st Baronet (22 May 1828 – 29 May 1896) was a British neurologist and physician.Reynolds was born in Romsey, Hampshire, as son of John Reynolds, an independent minister, and grandson of Dr. Henry Revell Reynolds. He received general education from his father, and was educated in his profession at University College, London, where he obtained three gold medals in the medical school. In 1851 he graduated M.B.