http://www.ozaki.org
http://www.ozaki.co.jp
Sir John Ambrose Fleming **
http://chem.ch.huji.ac.il/~eugeniik/history/fleming.htm
http://en.wikipedia.org/wiki/John_Ambrose_Fleming
Christian Johann Doppler ***
http://www.windows.ucar.edu/tour/link=/people/enlightenment/doppler.html
http://en.wikipedia.org/wiki/Christian_Doppler
