Adichie has moved countless readers with her novels about Nigerians at home and abroad. After the death in Lagos of her toddler son, her homeland no longer feels as much like home.

She edited the landmark 1970 anthology “Sisterhood Is Powerful,” led Ms. magazine and helped build the institutions of the modern feminist movement.

© Susan Ragan/Associated Press

Thousands of Kenyans made a living writing essays for overseas students. With A.I., the work has dried up, a warning for online gig work that has been a global lifeline.

© Kang-Chun Cheng for The New York Times