Chiaroscuro is an artistic technique which uses the effect of light and shadows to soften the edges and provide a more dramatic look to a painting.
It was developed in the Renaissance period in Italy with great artists such as Leonardo Da vinci and Vermeer being some of the earliest known painters to develop it and use it with great precision.
Hence, the style was a mainstay in the Renaissance period and has come to characterize the 'larger than life' feel of many works of art from the Era.
However, chiaroscuro is not limited to painting and was even used in woodcuts.
Answer: Gaius was the son of a Roman aristocrat whose family had regularly held the highest offices of state for the past century and was connected to the most powerful political families of the day.