Homer, an ancient Greek epic poet, is known for composing the 'Iliad' and 'Odyssey', significant works derived from oral traditions that explore themes of fate, free will, and the nature of heroism during the Trojan War. The 'Iliad' narrates the conflict between Achilles and Agamemnon amidst the backdrop of the Trojan War, featuring a range of characters including gods and heroes, and culminating in the fall of Troy. The text emphasizes themes of competition, compassion, and the quest for honor, as well as the tragic fates that befall the characters.