Who is said to be the first modern archaeologist

im not a 100% positive but i think its Johann Joachim Winckelmann.

As far as modern archaeology is concerned, Sir William Matthew Flinders Petrie of England can be called the first modern archaeologist.

Explanation:

The origin of modern archaeology is said to be in the discipline of Egyptology. Sir William Matthew Flinders Petrie was the first archaeologists back in the 1880s who carried out scientific studies of the Great Pyramids of Egypt and proposed numerous theories about the construction of the Pyramids. He was known for his dedication and his art of deriving meaningful conclusions from even the smallest of details.