Spanish–born philosopher and author (1863–1952) who made significant contributions to the study of aesthetics, literary criticism, and modern speculative philosophy. His best-known work is The Life of Reason, in which he asserts that reason is a union of impulse and ideas. Vintage glossy 5 x 7 publicity photo of Santayana at work, signed in fountain pen, “G. Santayana, Roma June, ‘51.” In very good condition, with scattered creasing and surface impressions, none affecting the bold signature. RRAuction COA.