Caleb Hillier Parry was born on 21 October 1755. The English physician contributed clinical observations on angina pectoris and exophthalmic goitre. Some of his medical observations were published posthumously in 1825.
Pierre Grisel was born in Paris on 21 October 1869. The French paediatric ENT surgeon gave his name to a syndrome involving non-traumatic atlantoaxial subluxation, described in his 1930 publications. Today marks his birth, not the publication of those cases.
British surgeon, anatomist and physiologist Benjamin Collins Brodie died on 21 October 1862. His work on joint and bone disorders contributed to the history of orthopaedics. His name remains associated with Brodie’s abscess.