EINSTEIN, Les Fondements de la Théorie de la Relativité Générale, 1933

First french edition.
Albert Einstein (1879-1955), a world-renowned theoretical physicist, revolutionized physics with his theory of relativity. This work brings together three of his major texts, translated by Maurice Solovine: the first on general relativity, the second on his unified theory of gravitation and electricity, and the third on the cosmological structure of space. This book is a historical scientific document of major importance, offering insight into Einstein's efforts to unify the fundamental forces of nature and his reflections on the universe.