Answer
The answer is Lawrence Joshua Chamberlain. Joshua Chamberlain was born on September 8, 1828, in Brewer, Maine. His birth name was actually Lawrence Joshua Chamberlain, the name Joshua Chamberlain was adopted later. He became a renowned military officer, professor, and politician, and is best known for his heroic leadership during the American Civil War, particularly at the Battle of Gettysburg, where he commanded the 20th Maine Regiment.