Final answer:
The primary figures of the High Renaissance are Leonardo da Vinci, Raphael, and Michelangelo, known for their iconic artworks and significant contributions to the artistic movement of that time.
Step-by-step explanation:
The primary figures of importance during the High Renaissance period also known as key artists are Leonardo da Vinci, Raphael, and Michelangelo. These artists are celebrated for their contributions to art, with hallmark works such as da Vinci's The Last Supper, Raphael's The School of Athens, and Michelangelo's Sistine Chapel Ceiling paintings. The High Renaissance was a time when artists attained new levels of recognition and patrons avidly supported their endeavors, leading to the creation of artworks that still resonate with audiences today.
The question's option (a) directly corresponds to the three renowned artists of this era. They became symbols of artistic genius, with their work encapsulating the essence of the High Renaissance – the realistic representation of figures, credible motion, and the harmonious style that dominated this pinnacle of Renaissance art.
These artists were immensely influential and were often sponsored by the church and wealthy patrons who commissioned many of their famous works. Their legacies continue to influence artists and art lovers and are central to the study of Renaissance art history.