History of Jehovah's Witnesses book, "Three Worlds and the Harvest of This World", was published in early 1877. It articulated ideas that remained the teachings of Russell's associates for the next 40 years, many of which are still embraced by Jehovah's Witnesses: it identified a 2520-year-long era called "the Gentile Times", which would end in 1914, and broke from Adventist teachings by advancing Russell's concept of "restitution" — that all humankind since Adam would be resurrected to the earth and given the opportunity for eternal perfect human life. Russell claimed it was the first book to combine biblical end-time prophecies with the concept of
Jehovah are used instead, generally indicating that the corresponding Hebrew is Yahweh or YHWH. Most scholars believe "Jehovah" (also transliterated as "Yehowah") to be a hybrid form derived by combining the Latin letters "JHVH" with the vowels of "Adonai". Some hold that there is evidence that a form of the Tetragrammaton similar to "Jehovah" may have been in use in Semitic and Greek phonetic texts and artifacts from Late Antiquity. Others say that it is the pronunciation "Yahweh" that is testified in both Christian and pagan texts of the early Christian era. Karaite Jews, as proponents of the rendering "Jehovah", state