GETTYSBURG, Pa. (AP) — History professor Gabor S. Boritt, a Hungarian immigrant to the United States who wrote widely about the Civil War and President Abraham Lincoln, has died. He was 86. Boritt had been a professor at Gettysburg College in Pennsylvania for many years, founding the Civil War Institute and helping establish the $50,000 Lincoln Prize for scholarship related to the Civil War. He died Monday in Chambersburg, Pennsylvania, according to his son. Boritt was born in Budapest in 1940