discussed Cited as authority (rule) Brown v. Adams The importance which the Supreme Court attached to the question in Tehan was emphasized by its request to the parties when certiorari was granted “to brief and argue the question of the retro-activity of the doctrine announced in Griffin v. California * * *." 381 U.S. at 923, 85 S.Ct. at 1560 , 14 L.Ed.2d 683 .