He was a major part of the Heptanese School of literature along with his fellow Zakynthoan Dionysios Solomos. However the 2 never met and there is also no known picture of Andreas Kalvos.
He was a wayward soul hence he wasn’t recognised in his hometown and country until much later. He traveled widely through Greece and Europe having many affairs, marrying a couple of times and producing a couple although they often died shortly afterwards. Thus his life was full of sadness which powered his poetry.
He also taught Italian and Greek to help finance his restless nature. His become disgruntled with his family and his patron which led to his inability to settle anywhere for any length of time. He was constantly moving in search of something he couldn’t quite get.
Since he died in England it wasn’t until 1960 when George Seferis was the Greek ambassador that he arranged for the body of Andreas Kalvos to be returned to his native Zakynthos.