
Masamune is believed to have worked in Sagami Province during the last part of the Kamakura Period (1288–1328), and it is thought that he was trained by swordsmiths from Bizen and Yamashiro provinces, such as Saburo Kunimune, Awataguchi Kunitsuna and Shintōgo Kunimitsu. An award for swordsmiths called the Masamune prize is awarded at the Japane...
Found on
http://en.wikipedia.org/wiki/Masamune

Reputed to be the greatest swordsmith.
Found on
http://www.shibuiswords.com/glossary.htm
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