Lieutenant Colonel Stephen L'Hommedieu Slocum (August 11, 1859 − December 14, 1933) was an American military attaché who served in several countries.
[9] His aunt, Margaret Olivia Slocum, was the wife of Russell Sage (from whom she inherited his entire $70 million fortune following his 1906 death).
[8][11] He was stationed in Montana, Texas, the Dakotas, Kansas and Missouri at different times between 1881 and 1905, and was an aide-de-camp on the staff of Brigadier General David S. Stanley until 1886.
[12] Between 1899 and 1912 he was at various times military attaché in Lisbon, London, St. Petersburg, Sweden, and Norway, as well as being on detached service in India in 1907.
He was assigned to United States Embassy in London during World War I and was awarded the Distinguished Service Medal by the U.S. and was made a Companion of the Order of the Bath by the U.K.