author
S. Alonzo Ranlett
Best known as one of the contributors to a detailed history of the Thirty-sixth Massachusetts Volunteers, this writer helped preserve the experiences of Union soldiers in the American Civil War. His work is most closely associated with firsthand remembrance, regimental history, and the effort to record comrades' service for later generations.
1 Audiobook
History of the Thirty-sixth Regiment Massachusetts Volunteers. 1862-1865
by Henry S. (Henry Sweetser) Burrage, William H. (William Henry) Hodgkins, Edmund W. Noyes, S. Alonzo Ranlett, Alonzo A. White
About the author
Available sources identify S. Alonzo Ranlett as one of the authors of History of the Thirty-sixth Regiment Massachusetts Volunteers, 1862-1865, a collaborative regimental history published through Project Gutenberg in a later digital edition.
The book was written with Henry S. Burrage, Alonzo A. White, William H. Hodgkins, and Edmund W. Noyes. Its purpose was to gather and preserve the story of the Thirty-sixth Massachusetts Volunteers, including the regiment's campaigns, hardships, and reunion-era memories.
Reliable biographical information about Ranlett himself appears to be very limited in the sources I could confirm, so it is safest to describe him as a contributor to this Civil War history rather than make broader claims about his life or career.