| Code | DS/UK/239 |
| Dates | 1854-1921 |
| Person Name | Fletcher; Lazarus (1854-1921); Knight museum director and mineralogist |
| Surname | Fletcher |
| Forenames | Lazarus |
| Epithet | Knight museum director and mineralogist |
| Activity | Keeper of Mineralogy at the Natural History Museum from 1880 to 1909, and director from 1909 to 1919. |