Marsilius of Inghen
Links
Marsilius of Inghen
http://plato.stanford.edu/entries/marsilius-inghen/
Scholarly treatment of this medieval thinker, by Maarten Hoenen.
Marsilius of Inghen
http://www.wikipedia.org/wiki/Marsilius_of_Inghen
Wikipedia entry on this 14th-century scholar.