http://en.wikipedia.org/wiki/Hendrik_Lorentz
http://www.encyclopedia.com/topic/Hendrik_Antoon_Lorentz.aspx
_ Hendrik Antoon Lorentz
https://youtu.be/D8LUC7zI9Bs
_ Episode 42: The Lorentz Transformation - The Mechanical
https://youtu.be/feBT0Anpg4A
_ Lorentz Transformation
https://youtu.be/sbNEtMUjiMU