How was Leonardo's life affected by political events?

Looking at Leonardo's paintings, do you think he was a devout Christian, or might he have been a religious skeptic?

Does the Last Supper tell a story? Explain.

Very few of Leonardo's inventions were ever constructed. Why did he persist in the designs that filled his notebooks? What motivated him?

How did Leonardo's status as an illegitimate child affect his life? Did it affect his ambitions? What were the practical consequences?

It is said that Leonardo left no great pupils. Taking Salai and Melzi as cases in point, why might Leonardo have lacked talented pupils?

What primary personality traits underlay Leonardo's varied interests?