[FredZarguna]

Some trade talk, then, if you're interested. First, Dirac didn't really do anything that any first year grad student couldn't do. Second, J D Jackson's is the book universally reviled by all grad students in physics. Of course, it is a classic text: http://www.amazon.com/Classical-Electrodynamics-Third-David-Jackson/dp/047130932X/ref=sr_1_1?ie=UTF8&s=books&qid=1255662923&sr=8-1

The Second Edition had a cover that was Blood Red. There is a story -- possibly apocryphal -- that Jackson once answered a question at a seminar by saying that the choice of color had been no accident.

[allmost]

if you're interested

It'll be my undoing. insatiable curiosity. Ping to self for later.

[allmost]

Clicked your link and that whole ‘time-independent’ pops up again.