Tettsu Gikai, 1219-1309. A student of Dogen's who later received Transmission from Koun Ejo in the Soto Zen Lineage. Gave Transmission to Keizan Jokin. Third Abbot of Eihei-ji, founded Daijo-ji. Travelled to China to study monastic architecture and forms. Appears in Transmission of Luminosity Cases 13, 14