Galileo Galilei, and yet people still refer to him by his firstname alone.
It's painful to read.
It is, as if we refer to Isaac and Albert when speaking about Gravity and Relativity.
It is, as if we refer to Isaac and Albert when speaking about Gravity and Relativity.
Surnames are optional in Italy at that time. Galileo is how he refers to himself and how people refer to him.
Resident of, son of, father of, family of. Leonardo of Pisa of the family of Bonacci being another well known one.
I suppose it is not specific to those cultures and was a more widespread convention.