The book "Charles Sumner: A Century of History. American Negro Academy. Separate Publications No. 14" by Archibald Grimké is an important work dedicated to the life and work of the outstanding American politician and human rights activist Charles Sumner. In his speech, the author examines Sumner's contribution to the struggle for equality and justice in the United States of America, his role in ending slavery and supporting civil rights. This book is a valuable document of the history of the African-American movement and reflects an important phase of the struggle for human rights in the United States.