HJOL is a manufacturer of spherical and cylindrical lenses, domes, prisms, mirrors, and multi-element assemblies in prototype and volume quantities for commercial, research, and mil-spec applications.

John Kass & Jeff Carlin tackle Chicago Mayor Brandon calling himself the second coming of Harold Washington, his campaign ...

We’re laying the foundation ... that Mayor Harold Washington established," Johnson told listeners during an interview on ...

This tactile interpretation of Harold and the Purple Crayon by Crockett Johnson, was crowd-sourced and designed by students at the University of Colorado, Boulder. A re-mixed version (seen below), was ...