Antonios Keramopoulos was a Greek

Greeks

The Greeks, also known as the Hellenes , are a nation and ethnic group native to Greece, Cyprus and neighboring regions. They also form a significant diaspora, with Greek communities established around the world....

 archaeologist. He conducted numerous excavations studying Mycenean

Mycenaean Greece

Mycenaean Greece was a cultural period of Bronze Age Greece taking its name from the archaeological site of Mycenae in northeastern Argolis, in the Peloponnese of southern Greece. Athens, Pylos, Thebes, and Tiryns are also important Mycenaean sites...

 and classical Greek antiquities during the early 20th century, including excavations at the Agora

Agora

The Agora was an open "place of assembly" in ancient Greek city-states. Early in Greek history , free-born male land-owners who were citizens would gather in the Agora for military duty or to hear statements of the ruling king or council. Later, the Agora also served as a marketplace where...

 of Athens

Athens

Athens , is the capital and largest city of Greece. Athens dominates the Attica region and is one of the world's oldest cities, as its recorded history spans around 3,400 years. Classical Athens was a powerful city-state...

 and at the palace of Mycenae

Mycenae

Mycenae is an archaeological site in Greece, located about 90 km south-west of Athens, in the north-eastern Peloponnese. Argos is 11 km to the south; Corinth, 48 km to the north...

. He also wrote studies about later Greek history. Among other things, he became known as a proponent of the theory of an autochthonous Greek origin of the Vlachs

Vlachs

Vlach is a blanket term covering several modern Latin peoples descending from the Latinised population in Central, Eastern and Southeastern Europe. English variations on the name include: Walla, Wlachs, Wallachs, Vlahs, Olahs or Ulahs...

in Greece.