Following his departure from the presidency in 1953, Harry S. Truman and his wife Bess returned to Independence, Mo., where they lived at the house owned by Bess’s mother. He penned a two-volume memoir that were a commercial and critical success. Truman remained active in politics and campaigned for Democratic senatorial candidates on a regular basis. In December 1972, Truman was admitted to a hospital in Kansas City, Mo., after suffering from pneumonia. He died weeks later on Dec. 26, 1972, from multiple organ failure after being in a coma. He buried the following day at the Harry S. Truman Presidential Library & Museum in Independence, Mo. Grave of the…