Giuseppe Tucci was a scholar of oriental cultures, specializing in Tibet and the history of Buddhism. He taught at the University of Rome La Sapienza until his death, though he remained a visiting scholar at institutions throughout Europe and Asia, and served as the first Chair of Chinese Language and Literature at the University of Naples from 1931. He is considered one of the founders of the academic field of Buddhist Studies.
Nice book, I liked it. It's basically an old study of the Tibet, complete and with an excellent bibliography. I have to say it is not that easy to read and understand the mentioned events and time periods for someone that has never learned, studied or heard about Tibet's history (like basically me XD), but I think that for an academical use is a good book. Very informative.