Henry B. Carrington
Henry Beebee Carrington was a lawyer, professor, prolific author, and an officer in the United States Army during the American Civil War and in the Old West during Red Clouds War. A noted engineer, he constructed a series of forts to protect the Bozeman Trail, but suffered a major defeat at the hands of the warchief Red Cloud.
Carrington was born in Wallingford, Connecticut. An ardent abolitionist in his youth, he was graduated from Yale University in 1845. He was professor of natural science and Greek at the Irving Institute in Tarrytown, New York from 1846 to 1847. Under the influence of the schools founder, Washington Irving, he subsequently wrote Battles of the American Revolution, which appeared in 1876.
Source: Wikipedia