Who were famous leaders during battle of tannenberg?

During the Battle of Tannenberg in 1914, the key leaders were German General Paul von Hindenburg and his chief of staff, Erich Ludendorff, who orchestrated a decisive victory against the Russian forces. On the Russian side, General Alexander Samsonov commanded the Second Army, facing significant challenges that ultimately led to his defeat and the encirclement of his troops. The battle marked a turning point on the Eastern Front in World War I, boosting the reputations of Hindenburg and Ludendorff.