Roger Williams University DOCS@RWU Architecture, Art, and Historic Preservation Faculty Publications Architecture, Art, and Historic Preservation 2019 Robert Grosseteste: Optics and Perception John S. Hendrix Roger Williams University,
[email protected] Follow this and additional works at: https://docs.rwu.edu/saahp_fp Part of the Architectural History and Criticism Commons, and the Arts and Humanities Commons Recommended Citation Hendrix, John S., "Robert Grosseteste: Optics and Perception" (2019). Architecture, Art, and Historic Preservation Faculty Publications. 39. https://docs.rwu.edu/saahp_fp/39 This Article is brought to you for free and open access by the Architecture, Art, and Historic Preservation at DOCS@RWU. It has been accepted for inclusion in Architecture, Art, and Historic Preservation Faculty Publications by an authorized administrator of DOCS@RWU. For more information, please contact
[email protected]. Robert Grosseteste: Optics and Perception John Shannon Hendrix In De Luce seu de inchoatione formarum, the treatise on light written be- tween 1225 and 1228, Grosseteste explains that light is the first corporeal form, the origin of matter. A point of light autodiffuses itself instantaneously into the form of a sphere of any size, the sphere being the geometrical form which encapsulates all structure of matter, from classical philosophy. Some scholars reported that Anaximander conceived the sphere as the form from which matter was generated, beginning with heat and cold; a sphere of flame surrounded the air which surrounds the earth with its water, incorporating the four elements. According to Pseudo-Plutarch in his Stromata, Anaximander “said that at the beginning of the world there separated itself out from the ex- ternal a something capable of producing heat and cold.