Which man created or work that had scientific as well as artistic value?

Leonardi Da Vinci was an Italian polymath, or person with expertise on various subjects, who contributed with his works in the fields of painting, music, math, literature, anatomy, and astronomy during the second half of the 15th century and first years of the 16th century. He is considered the "personification" of the Rennaissance Movement.

He is renowned for works such as "The Vitruvian Man" of 1485, "The Last Supper" in 1498 and the "Mona Lisa" in 1503.