 In March 1941, L'Herbier was elected president of the Cinémathèque française, but his plans for major reorganisation soon brought him into conflict with its secretary and founder Henri Langlois.Langlois found L'Herbier too autocratic and L'Herbier found Langlois too disorganised.L'Herbier continued as president until 1944, when he was finally outmanoeuvred by Langlois, and he was replaced by Jean Grémillon.