| Term | Definition |
| Patent fingerprints | visible prints |
| plastic fingerprints | these occur when the finger touches or presses against a plastic material in such a way that a negative impression of the friction ... |
| latent | not visible to the naked eye |
| Henry Faulds | fingerprints did not change over time, and can be used for identification |
| Aplhonse Bertillon | prosed body measurements for identification |
| Francis Galton | developed classification based on loops, arches, whorls |
| Juan Vucetich | developed method of classification for spanish speaking countries |
| Edward Richard Henry | with galton insituted a numerical classification system |
| William Herschel | required Indians to put their fingerprints on contact |
| Loop | 60%, one or more ridges enetering and exiting from sames |