Édouard Le Roy was a French philosopher and mathematician, born on March 20, 1870, and known for his contributions to the philosophy of mathematics and logic. He played a significant role in the development of mathematical logic and was associated with the Bourbaki group, which aimed to reformulate mathematics in a rigorous and abstract way. Le Roy is also recognized for his work on the philosophy of Henri Poincaré, particularly in relation to the foundations of mathematics. His ideas helped bridge the gap between mathematics and philosophy, influencing later thinkers in both fields. He passed away on December 2, 1954.