Lee graduated second in his class at West Point, wonder who graduated first?
That would be interesting to know, but it's not always an indicator of what happens later in one's career. After all, Lee surrendered to the man who was 21st in a class of 39 (class of 1843).
Charles Mason of New York. He later moved to Iowa and was prominent in Democrat politics. He did not serve during the rebellion, and based on his politics would have been considered a Copperhead.