Hammurabi is undoubtedly the best rulers of Babylon. He is the 6th king of the first dynasty of rulers of Babylon. Some even say that Babylonian kingdom started with Hammurabi.
Hammurabi's reign in Babylon is believed to have been by around 1792-1750 BC. He extended his empire to the Euphrates and Tigris valleys northward and till Mediterranean sea westwards. After extending his empire, he is believed to have taken care of the administration in an outstanding manner. He personally took care of the irrigation, agriculture, tax administration, navigation etc.,
The best work of Hammurabi to date is his Code of Hammurabi. This contains the laws and rules for the citizens of Babylonian kingdom. This codifies the conduct, justice, basic laws to be followed in Babylon and was widely put for public notice. This proposes an "eye for eye" punishment for any offences. The text of these laws were partly unearthed by around 1901 AD and a lot of the material prior to this were not found.