Leonardo da Vinci was an Italian polymath during the Renaissance period whose expertise spanned various areas including painting, sculpting, science, engineering and more. He apprenticed under the artist Verrocchio and worked for Ludovico Sforza in Milan. Some of his most famous works include the Mona Lisa and The Last Supper. He is renowned for his technological ideas and inventions ahead of his time, though many were not constructed during his lifetime.