The introduction engages scholarly debates around the topics of Tanzanian nationalism, African identity, pan-Africanism, and global intellectual history to indicate its contributions to those fields. It introduces the main question: How did an African identity come to have any personal or political purchase in East Africa in the twentieth century? The main case study focuses on the African Association (AA), a politically minded pan-African group with ideational connections to several streams of black thought. The members who chose this group, which promoted an African identity, usually did so for two reasons. They were either inspired by the redemptive pan-Africanism of some of its visionary leaders who engaged with the ideas of Ethiopianism surrounding Africa’s future and past and/or they were drawn to the strand of practical pan-Africanism cultivated by the leadership of the AA who sought to build African unity and open chapters all throughout the continent and even the globe.