Published 30 November 2009, doi:10.1136/bmj.b5170
Cite this as: BMJ 2009;339:b5170

Obituaries

Dennis Snow Ridley

The first 150 words of the full text of this article appear below.

Dennis Snow Ridley will be best remembered for his publications with William Jopling in 1962 and 1966 on the classification of leprosy according to immunity. These were followed by a third publication with Michael Waters in 1969 that provided vital prognostic insight to the complexities of the lepromatous end of the leprosy spectrum, where he distinguished a sub-polar group of patients whose potential gradually to regain immunity could lead to years of immune reactions and severe nerve damage.

Although the Ridley-Jopling classification was originally proposed for the purposes of research, it made supreme clinical sense and soon became the sheet-anchor of leprologists the world over and the basis for all clinical trials in leprosy. He collaborated with John Petit at the Sungei Buloh leprosarium in Malaysia and Dick Rees at NMR Mill Hill on trials relating to dapsone resistance, reporting on some 5000 biopsies over a 20 year period, and . . . [Full text of this article]

Anthony Bryceson
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