The main author of the declaration of independence was

The original true author is Thomas Jefferson, who was known for his writing skills and who later became the 3rd President of the United States. But the Second Continental Congress actually appointed 5 people to help write the Declaration of Independence which included Benjamin Franklin and John Adams, although Thomas Jefferson still was the one who wrote the document as the original author. Another note that you might find interesting is that there were 56 signers of the document.