This is from a Data Visualization class I teach, with this illustration addressing the cognitive load we place on the user, and how the proper application of technology can ease that load.
Also from the Data Vis classes, illustrating that simplification can tell a better story, than clutter.
So Isometric artwork I have created over the years.
An illustration of the Data-Ink ratio reduction.
Some personas I created...
This was from a Physiology class I taught, illustrating the proximity needs for color difference detection .