These images show stuff from my high school years to the late nineties, starting with photography and drawing, then computer graphics 3d imagery, and then computer graphics programming -- culminating in Accudraw and related tools which I invented and coded, and which are still very popular to this day.
I've been into colors for ages.
One is using a sparkler and color filters and a flash, the other using flash and color filters. I was doing RGB before I even used a computer!
yes I used to go by Bob...
I also did mechanical design and drafting, using old school pencil and paper
These are for an injected molded part, drawn during my first co-op job in 1985
Some drawings related to colors and color theory, as well as how coordinates work in 3d graphics, from 1986-87
I made this human model in 1987 (t my second co-op job), which got extremely wide use including his hand being on the cover of Computer Graphics World magazine