http://en.wikipedia.org/wiki/Hendrik_Lorentz
http://www.gap-system.org/~history/Mathematicians/Lorentz.html
http://www.britannica.com/EBchecked/topic/348120/Hendrik-Antoon-Lorentz
_ Albert Einstein. 1/5
http://www.youtube.com/watch?v=dRNH9Y3g5Fw
_ Relativity Lorentz Transformation Equations Part 1of 2
http://www.youtube.com/watch?v=XYVmUzac44Q