The American Council of Learned Societies, founded in 1919, is a private non-profit federation of sixty-eight scholarly organizations.

ACLS is best known as a funder of humanities research through fellowships and grants awards. ACLS Fellowships are designed to permit scholars holding the Ph.D. or equivalent to devote a full year to research and writing in such fields as Literatures and Languages, History, Anthropology, Political Theory, Philosophy, Classics, Religion, the History of Art, Linguistics, Musicology.

Among the Council’s publications is the American National Biography, published in early 1999, it consists of a 24-volume collection of approximately 17,500 biographies of significant individuals in American history. An online version was released in 2000. The Dictionary of Scientific Biography, with articles on significant scientists from antiquity to modern times. The Dictionary of the Middle Ages, completed in 1989, consists of 13 volumes covering the years 500-1500 and examines the Latin West, Slavic, Byzantium, and Islam. Dictionary of the Middle Ages: Supplement 1 (2003) The Dictionary of the Middle Ages is a 13-volume encyclopedia of the Middle Ages published by the American Council of Learned Societies between 1982 and 1989, with a supplemental volume added in 2003. ...

References

• American Council of Learned Societies
• American National Biography