Many of Buddhist statues of the age of restoration of Saidai-ji Temple in the Kamakura period were made by the school called Zen-ha which used a character "善 (zen)" in their names including Zenkei ("善慶") of this statue.
西大寺の鎌倉復興期の仏像は、本像の作者善慶をはじめ、名前に「善」字を用いる善派と呼ばれる一派の作が多い。