Alberto ginastera, was born April 11,1916 in Buenos Aires, Argentina. And he died on June 25,1983 in Geneva, Switzerland. And he was considered one of the most important 20th-century classical composers of America. But his nationality was Argentine.
Answer: i'm not sure about the artist and painting names (just reverse image search it by going to images.google.com) but yes, the artist has used space effectively, by filling the artwork with details and color to highlight the people in the middle.
David's Oath of the Horatii was undoubtedly one of his most famous and prized works, quickly becoming the face of the French Revolution and the symbol of patriotism.