( P L A C E H O L D E R S )

1
(Eidolon)
intramission theory

"which states that visual perception comes from something representative of the object (later established to be rays of light reflected from it) entering the eyes."


2
Al Hazan  965CE

"Abū ʿAlī al-Ḥasan ibn al-Ḥasan ibn al-Haytham (Arabic: أبو علي، الحسن بن الحسن بن الهيثم‎‎; Persian: بوعلی محمد بن حسن بن هیثم‎‎ c. 965 – c. 1040 ce), also known by the Latinization Alhazen or Alhacen,^[10] was an Arab^[11]Muslim^[12][13][14] scientist, mathematician, astronomer, and philosopher.^[15] Ibn al-Haytham made significant contributions to the principles of optics, astronomy, mathematics and visual perception.^[16] He was the first to explain that vision occurs when light bounces on an object and then is directed to one's eyes.^[17] "

3
Bacon's soul / Cezanne

4

r e t i n a t u s    m i r a c u l o u s
(spectroscopy)

______