Melissa is doing research on the lives of artists in different periods help Melissa complete the sentence that describes the technique of a well-known artist.

is known to have used a camera obscura to study the subject of his in great detail.

The correct answer is Johannes Vermeer is known to have used a camera obscura to study the subject of his paintings in great detail.

Explanation:

Johannes Vermeer was a painter of Baroque art born in 1632. Only between 33 and 35 works painted by this artist are known, and after an investigation it has been concluded that Vermeer used a camera obscura to create his characteristic paintings.

The paintings he depicted on his canvases showed angles and perspectives that were clearly used through a camera obscura, and it is almost impossible that he has accomplished this at a glance.

That is why Vermeer is believed to have "cheated", although many historians still believe he was a genius, even if he used a camera obscura to make his paintings.