Final answer:
Leonardo da Vinci created mood in the Mona Lisa using the sfumato technique and his expertise in anatomy. He is considered a 'Renaissance man' because of his multifaceted talents across various disciplines and his influence on art and science.
Step-by-step explanation:
Leonardo da Vinci created a mood in the Mona Lisa through his use of the sfumato technique, which introduced a shadowy quality that added depth and realism to the painting. This technique, alongside his detailed knowledge of anatomy and the innovative ways in which he laid on the paint, contributes to the enduring allure and mystery of the Mona Lisa. Moreover, the depicted figure, likely the wife of a Florentine merchant, elicits an enigmatic ambiance with her emblematic smile and direct gaze, enhancing the mood and drawing viewers into the painting.
Leonardo da Vinci is fittingly referred to as a 'Renaissance man' due to his array of talents beyond painting, including expertise in engineering, anatomy, sculpting, architecture, and his ceaseless pursuit of knowledge which has inspired countless individuals across various fields centuries after his death. He was a quintessential figure of the Renaissance, heavily engaged in exploring and reviving classical art and philosophy, while also pioneering techniques and disciplines that would shape the future of the arts and sciences.