Out of all, R.E. Lee would stand out as the greatest military leader in American history. I would conclude both US and CS. While in the US he did some wild, Ranger-like missions, such as doing a one man reconnaissance behind Mexican lines to find the route to Cerro Gordo. Then having the army climb that mountain and get behind the Mexicans. He went from being a captain, to a brevet Colonel in the time frame of that short war due to his actions.Rock Island Ranger wrote:Somebody mentioned Sam Houston. I wouldnt choose him out of the group I have seen posted here. However, I would throw Robert E. Lee into the mix. Brilliant man. As I understand it, gracious, even tempered, led by example, and in many eyes, sustained a war effort far beyond what was seen as sustainable.
When he ran West Point he produced many of the leaders that y'all have mentioned on this thread. When it came time to choose someone to run the US Army in the War Between the States, Lincoln picked him. He turned it down because he couldn't fight against his people in Virginia.
His exploits during the War Between the States are self evident. There is a reason Lincoln kept firing his commanders. They couldn't outwit or outfight Lee. Even after the war northern officers would visit him and seek his guidance. They knew he had been the enemy, but they also knew that he was the best general of the war.
Interestingly Lee modeled himself after the other leader we have been talking about, Washington. Lee was raised in a family that was connected to Washington, and Washington's myth was what Lee had to live up to.