A Dubliner by birth and education, Robert Bentley Todd (1809-1860) settled in London, achieving success as physician and educator. He was professor of anatomy and physiology at King's College, and a founder of King's College Hospital. His publications were numerous; he edited a Cyclopaedia of
1. In the secondary and tertiary stages of syphilis without direct involvement of the nervous system the cerebro-spinal fluid yielded the butyric acid reaction of feeble intensity. The fluid under these conditions gave neither a positive cytodiagnosis nor the Wassermann test for syphilis. 2. The
Syphilis is a sexually transmitted infection by Treponema pallidum. Without antibiotic treatment syphilis lasts for several decades and may develop up to 4 different clinical stages. Usually, the disease begins with a distinct painless and indurated ulcer at the contact site: the primary chancre. An
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