Who did rachna of santikaram stotra

Shāntikaram (Santikaram) Stotra was composed by Āchārya Munisundarsūri of the Śvetāmbara (Tapa Gaccha) tradition. The stotra’s own closing verses name Munisundarsūri and his guru Somāsundarsūri. It is chiefly recited in the Śvetāmbara tradition.