Tommaso di Giovanni Masini (c. 1462 – 1520), known as Zoroastro da Peretola, was a friend and collaborator of Leonardo da Vinci.

[1][2] According to Scipione Ammirato, he was born in Peretola, near Florence, and he was the child of a gardener,[3] although he said he was the illegitimate child of Bernardo Rucellai, Lorenzo il Magnifico brother-in-law.

[2][4] In 1505 he returned to Florence and worked with Leonardo in The Battle of Anghiari.

[5] He was buried at the Church of Sant'Agata dei Goti.

This Italian biographical article is a stub.