Mystery Person

Clue 1: This person was left-handed and frequently wrote their private notes in mirror script.

Clue 2: They conceptualized inventions like helicopters and armored vehicles centuries before the technology existed to build them.

Clue 3: They are considered the quintessential polymath of the Italian Renaissance.

Clue 4: They created a famous mural depicting a biblical final meal on a monastery wall in Milan.

Clue 5: They are the artist who painted the Mona Lisa.