Answer : 1. "Leonardo-da-Vinci "
Explanation :

1. The "Last Supper" was painted by Leonardo da Vinci between 1494 and 1498 in the city of Milan, Italy, depicting the last "supper" between Jesus and his followers.

2. This is a fresco and is approximately 15 feet x 29 feet in size.

  3. The painting still hangs on the wall of the Convent of Maria delle Grazie in Milan.