February 16, 2023 • Richard McFahn • You are here: Home » Migration 29: How typical was Powell’s ‘Rivers of Blood’ speech of attitudes towards migration in the 20th and 21st centuries? About the author Richard McFahn Founder of History Resource Cupboard, Richard has worked for 20 years as a history teacher, subject and senior leader, Advanced Skills Teacher, local authority adviser and history ITE tutor.