Looking for a job in the 15th century… It’s the 1480s and Leonardo da Vinci is struggling to make a name for himself as an artist in Florence. Having noticed that wars and battles are big business in the Italian city-states, he decides to reposition himself as a military engineer and inventor. Leonardo writes to Ludovico Sforza, the Duke of Milan and one of the most enthusiastic war-makers, with possibly “the best job application letter in history” In Milan, Leonardo embraces the intellectual id