The book of a thousand men contained the names and layers of the most important men of hadith whom the researcher needed to verify the chain of transmission, and was distinguished by its investigation of the titles of each man in the books of hadith, but also included many camouflaged titles that occurred as a result of the copying, so the author of the book referred to them in the folds of the dictionary, in addition to what it contained of a brief summary The most important thing that a man can trust or weaken, and the inventory of titles was very important in facilitating the process of identifying the narrator within the chain of transmission.
Many brothers have asked for it to be issued digitally to facilitate dealing and research, especially since the printed book is not easy to carry wherever it is, so we responded to them, and it was converted into this smooth scientific application, and since the application is in its first version, we do not feel safe from errors and suspicions, even if we have tried The effort of our energy is to be consistent and correct, but man is inclined to error and infallibility belongs to its people. We ask God to grant us success for what is good and to remind us of the researchers of their prayers.