Dr. Lancelot Priestley
| Dr. Lancelot Priestley | |
|---|---|
| First appearance | The Paddington Mystery (1925) |
| Last appearance | The Vanishing Diary (1961) |
| Created by | John Rhode |
| In-universe information | |
| Gender | Male |
| Occupation | Forensic investigator |
| Family | April Priestley (daughter) |
| Nationality | British |
Dr. Lancelot Priestley is a fictional investigator in a series of books by John Rhode. After 1924, Dr. Priestley took over from Dr. Thorndyke as the leading fictional forensic investigator in Britain and featured in 72 novels written over 40 years, solving many ingenious and misleading murders.