| Date | 1855 |
| Author | Gerlach |
| Contribution | Introduced ammoniated carmine as a histological stain. |
| Reference | Anon. |
| Notes | Staining was to become of increasing importance in microscopy -- including the microscopy of germs. |
| Category | Microscopy |
| Pathogen Class | General |
Copyright © 2007- William C. Campbell. All rights reserved.