Definition: In this task, you will be presented with a text and a pronoun. You should write the name that the pronoun refers to. Position of the pronoun in the text is showed within two "_"s.
Input: He invented a machine code language around 1489, cryptographic algorithms, and sketched the designs of a portable vocal communicator and a prototype that reflected the properties of a transistor. The character draws its inspiration from real-life historical figures including Leonardo da Vinci and Nostradamus. Rambaldi's artistic-looking manuscripts, written in code, are a direct reference to Leonardo's method of recording _his_ work. <sep>, Pronoun: his

Leonardo