1.	Physically-Based Illumination Models	2.	Revisiting Phong's Illumination Model
3.	Desiderata	4.	Better Illuminance Models
5.	Cook-Torrance Illumination	6.	Microfacet Distribution Function
7.	Beckman's Distribution	8.	Geometric Attenuation Factor
9.	Blocked Reflection	10.	Blocked Beam
11.	Geometric Attenuation Factor	12.	Fresnel Reflection
13.	Fresnel Reflection	14.	A Plot of the Fresnel Factor
15.	Energy Conserving Approaches	16.	Definitions
17.	Irradiance	18.	What does Irradiance look like?
19.	Radiance	20.	Combining these Functions
21.	BRDF Approaches	22.	Remaining Hard Problems
23.	Next Time