大たい成せい者しゃ

noun

person who achieves greatness; person who perfects something

Refers to someone who has brought a field, theory, or art to full fruition or achieved personal mastery. Often used in formal or literary contexts.

• 彼かれは日本にほんの近きん代だい建けん築ちくの大たい成せい者しゃと見みなされている。

  He is regarded as the person who perfected modern Japanese architecture.

• その理り論ろんの大たい成せい者しゃとして、彼かの女じょは国こく際さい的てきに知しられている。

  She is internationally known as the person who brought that theory to completion.