Quite a few names have been mentioned in previous threads. A non historian will always say that Napoleon was the greatest commander in history. Indeed he was a great tactician, but then the argument: he lost at waterloo, appears. And then people are in doubt! They think of somebody else, for instance Alexander the great and his heroic battle against Darius III. Though he also lost a battle in India!
It’s hard to evaluate who a great commander is. I've seen somebody write that Hannibal Barca was the greatest commander in history because he almost conquered Rome. "ALMOST" This statement is controversial. He won the battles, cannae, trebia, trasimene, due to the help of his powerful elephants. So is he really a great commander or a person who uses his resources well.
Scipio Africanus, Roman general in the third Punic war, humiliated Hannibal. At the battle of Zama, Hannibal tried to disrupt the Roman Army by launching his elephants at its centre. Scipio ordered a blare of trumpets along his entire front line when the charging elephants were almost on top of his men. The noise terrified the elephants and confused them so that they ran into their own lines. That is what makes a great commander! Studying the movements and tactics of the enemy and using it against them.
So my list of the greatest commanders would be:
Alexander the Great - Battle of Gaugamela
Scipio Africanus - Battle of Zama
Genghis Khan - Battle of the Indus
Henry V - Battle of Agincourt
Frederick the Great - Battle of Leuthen
George Washington - Battle of Princeton
Napoleon Bonaparte - Battle of Wagram
Robert E. Lee - Battle of Chancellorsville
Tomoyuki Yamashita - Battle of Singapore
Erwin Rommel - Battle of Gazala
Erich von Manstein - Third Battle of Kharkov
Moshe Dayan - The Sinai Campaign
Some people might say that this list has errors. There are far more commanders like Gonzalo de Cordoba, Gustavus Adolphus, Wellington, William Slim or Douglas Mac Arthur who have potential to be on the list. However I reduced the list on these 12 men, due to a few criteria. Some American citizens would say that Lee is not worthy to be in the list. However I chose him, due to the fact that he studied the territory on which he fought like, Napoleon and Wellington in order to choose the right tactics and therefore estimate his chances. Every commander in my list had won his battle due to right tactics and strategies on the ground.