Listed are the most influential reformers only. They are listed by movement, although some reformers influenced multiple movements and are included in each respective section.
There were also a number of people who initially cooperated with the Radical Reformers, but separated from them to form a "Second Front", principally in objection to sacralism. Among these were:
^Minton, Gretchen E. (2014-01-26). John Bale's 'The Image of Both Churches'. Springer Science & Business Media. ISBN978-94-007-7296-0. Berengar of Tours was an 11th-century theologian who argued that the doctrine of transubstantiation was contrary to reason and unsupported by scripture
^Siebeck, Mohr (11 March 2016). Prophecy, Piety, and the Problem of Historicity: Interpreting the Hebrew. Germany. p. 372. ISBN978-3-16-154270-1. Berengar of Tours (c. 1005-1088), Bernand of Clairvaux, the Waldensians in the twelfth century, the Albigensians in the thirteenth century and John Wycliffe (x. 1330-1385) and Jan Hus (c. 1370-1415) in the fourteenth and fifteenth centuries, are all prefigured in the poetic images of Solomon's Songs. They all become forerunners of Luther and Calvin{{cite book}}: CS1 maint: location missing publisher (link)
^Jung, Emma; Franz, Marie-Luise von (1998). The Grail Legend. Princeton University Press. ISBN978-0-691-00237-8. Berengar of Tours (first half og the eleventh century), whose views occasioned the dispute known as the Second Eucharistic Controversy. Berengar aught that the body and the blood of the Lord were no "real" in the Eucharist but a specific image or likeleness ("figuram quandam similitudinem"). He was thus a forerunner of the Reformers.
^"The forms of communication employed by the Protestant Reformers and especially Luther and Calvin"(PDF). Pharos Journal of Theology. 98. 2016. John of Wessel was one member in the group who attacked indulgences (Reddy 2004:115). The doctrine of justification by faith alone was the teaching of John of Wessel (Kuiper 1982:151). He rejected the doctrine of transubstantiation where it is believed when the priest pronounces the sacraments then the wine and bread in turned into the real body and blood of Christ
George, Timothy. Theology of the Reformers. Nashville, Tenn.: Broadman Press, 1988. ISBN978-0805401950. N.B.: Comparative studies of the various leaders of the Magisterial and Radical movements of the 16th century Protestant Reformation.