Artists from which country and artistic period devised the chiaroscuro method of using value to create the illusion of solid forms in two-dimensional artworks?

The answer is Italy and Renaissance, respectively. The movement was known as Italian Renaissance.

Explanation:

The Renaissance era covered the 15th and 16th centuries. The word renaissance is French for "rebirth", as the period was seen as a time of renewed interest in science and art.

Artists of this period used complex compositions and lighting to create a realistic, three-dimensional effect. A popular technique was chiaroscuro, which contrasted highly illuminated figures in darker backgrounds. The paintings usually portrayed mythological storylines.