1939
Grant and Norcross in 1939 first described the syndrome of the trephined or paradoxical herniation of brain 1)
There are different classification systems for basilar invagination, but the most commonly used one is the classification proposed by Chamberlain in 1939 2). According to this classification, there are four types of basilar invagination:
William Beecher Scoville (January 13, 1906 – February 25, 1984) was a neurosurgeon at Hartford Hospital. Scoville established the Department of Neurosurgery at Connecticut's Hartford Hospital in 1939.
Publications
Light RU. Technical Suggestions in Neurosurgery. Yale J Biol Med. 1939 May;11(5):467-468.1. PubMed PMID: 21433836; PubMed Central PMCID: PMC2602271 3).
Jefferson G. Neurosurgery. Br Med J. 1939 Jan 28;1(4073):147-50. PubMed PMID: 20782070; PubMed Central PMCID: PMC2208758 4).