In 1969, he moved to Israel and worked as a Staff Editor for the Encyclopaedia Judaica.
The term is first noted by the encyclopedia Judaica from the European Jewish Diaspora of the middle of the 13th century.
According to the Encyclopaedia Judaica, "Other amoraim of the same name, some with and some without appellations, who lived in the third and fourth centuries and whom it is difficult to identify, are referred to in the Talmudic sources."
Encyclopaedia Judaica, 1972, Keter Publishing House, Jerusalem, Israel.
Encyclopaedia of Islam | Encyclopaedia Judaica | Encyclopaedia Biblica | Everyman's Encyclopaedia | Encyclopaedia of Religion and Ethics | Chambers's Encyclopaedia | Australian Encyclopaedia | 1911 edition of the ''Encyclopaedia Britannica'' |