The Byzantine Greeks continued the spectacular ancient Greek civilization for another thousand years. Like their forefathers, they were involved in every art and science. Approximately 250 key personalities contributed greatly to Byzantine culture. This book describes the known work of these medieval personalities. There are various books that give the lives of the more famous of these medieval Greeks. There are a number of biographical dictionaries that give one-line descriptions of more of these medieval personalities. This book, though, is an attempt to describe the major points about all Medieval Greek personalities of which anything is known. It is a handy encyclopedia in which one can quickly find the salient features of any Medieval Greek personality. Each article in this book has the following order: the personality's name is stated, this is followed by his birth and death years or whatever of these can be approximated. The first sentence of the text gives the areas in which the personality was active and his birthplace if known. This is followed by a description of whatever is known about the character and life of the personality. The article concludes with the material or intellectual accomplishments of the personality.