So....are you going to email him a link to this? I probably would
Also, white is all the color combined when it comes to light (thus, when you have a prism and it refracts it into rainbows.) When it comes to pigment, white is the absence of all the colors (and black all the colors combined.)
BUT! Unless you are a true albino (and even then that might be a little iffy) caucasions aren't really "white." We have color variations as well from peach and olive to tan and a whole spectrum in between-- just like most other ethnicities that have a huge spectrum that falls under one label.
*sigh* I hate the terms "white" or "caucasion." I'm way more exotic than that.