Arthur George Frederick Griffiths, 1911 Encyclopædia Britannica, Volume 14… (1911)
“ IDENTIFICATION (Lat. idem, the same) , the process of proving any one’s identity, i.e. that he is the man he purports to be, or—if he is pretending to be some one else—the man he really is; or in case of dispute, that he is the man he is alleged to be. As more strenuous efforts have been made for the pursuit of criminals, and more and more severe penalties are inflicted on old offenders, means of identification have become essential, and various processes have been tried to secure that desirable end. For a long time they continued to be most imperfect ”
