长谷川伸，In 1911 he joined a Tokyo newspaper as a journalist. In 1917 he writes his first novel in the "Narration Club" and in 1927 he founded, with Ranpo Edogawa and other prominent writers, an association to propel popular novels. Hasegawa speciallized in jidai-geki and chabara novels. From 1926 his novels begin to be converted into movies.