doi:10.7916/d8-41h3-z664Photograph of Elihu Rootphotographsstill imageCharitable uses, trusts, and foundationsEndowments--Officials and employeesRoot, Elihu, 1845-1937Elihu Root (1845-1937), US Senator from New York, Theodore Roosevelt's US Secretary of War and later Secretary of State and Andrew Carnegie's legal advisor, played a decisive role in his major philanthropic undertakings.