Category
page 1Medieval music theorists
Guido of Arezzo
11th century Italian monk, inventor of modern musical notation

Philippe de Vitry
French composer, music theorist and poet
Johannes Ciconia
Flemish composer and music theorist

Herman of Carinthia
12th-century Carinthian astrologer
Johannes de Muris
French philosopher, astronomer, mathematician, and music theorist

Franco of Cologne
German composer, musicologist, writer and music theorist

Iacobus de Ispania
Franco-Flemish music theorist
Johannes de Grocheio
French music theorist
Lorenzo da Firenze
Italian composer
Berno of Reichenau
German abbot
Johannes de Garlandia
13th century musicologist
Walter Odington
English Benedictine scientific and musical author
Frutolf of Michelsberg
German historian
Johannes Cotto
English music theorist (1100–1150)
Aurelian of Réôme
9th-century Frankish writer and music theorist
Egidius de Francia
medieval French composer and musicologist