: Since he was the illegitimate son of a Florentine notary, he was not permitted to use a traditional family name. Signing as "Io, Leonardo" emphasized his individual identity over his lineage.
The phrase (meaning "I, Leonardo") is historically significant as the signature used by the Renaissance polymath Leonardo da Vinci . Io, Leonardo
: Contemporary biographers like Giorgio Vasari noted that first names were the primary way to refer to individuals at the time, and Leonardo's signature reflects this cultural norm. Media and Cultural References : Since he was the illegitimate son of
: This signature appears in his extensive collection of journals, which total roughly 13,000 pages of drawings and scientific observations. which total roughly 13