Eison was the founder of Shingo Risshu sect, whose head temple was Saidai-ji Temple, and he is well known for his hard work to restore the precepts of Japanese Buddhism and his social work such as relief of the poor and the sick.
叡尊は、西大寺を本山とする真言律宗の宗祖で、日本仏教における戒律の復興に努め、貧者・病者救済などの社会事業を行ったことで知られる。