Question: What else is Harry Truman credited for besides creating the United States Central Intelligence agency (CIA)?

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Roscoe H. Hillenkoetter: Roscoe Henry Hillenkoetter (May 8, 1897 – June 18, 1982) was the third director of the post-World War II United States Central Intelligence Group (CIG), the third Director of Central Intelligence (DCI), and the first director of the Central Intelligence Agency created by the National Security Act of 1947.  He served as DCI and director of the CIG and the CIA from May 1, 1947 to October 7, 1950 and after his retirement from the United States Navy was a member of the board of governors of National Investigations Committee On Aerial Phenomena (NICAP) from 1957 to 1962.

William J. Donovan: William Joseph ("Wild Bill") Donovan (January 1, 1883 – February 8, 1959) was an American soldier, lawyer, intelligence officer and diplomat.  Donovan is best remembered as the wartime head of the Office of Strategic Services (OSS), the precursor to the Central Intelligence Agency, during World War II.  He is also known as the "Father of American Intelligence" and the "Father of Central Intelligence".  "The Central Intelligence Agency regards Donovan as its founding father," according to journalist Evan Thomas in a 2011 "Vanity Fair" profile.  The lobby of CIA headquarters, in Langley, Virginia, now features a statue of Donovan.  Thomas observed that Donovan's "exploits are utterly improbable but by now well documented in declassified wartime records that portray a brave, noble, headlong, gleeful, sometimes outrageous pursuit of action and skulduggery."

National Intelligence Authority (United States): The National Intelligence Authority (NIA) was the United States Government authority responsible for monitoring the Central Intelligence Group (CIG), the successor intelligence agency of the Office of Strategic Services established by President Harry S. Truman's Executive Letter of 22 January 1946 in the aftermath of World War Two.  The National Intelligence Authority and Central Intelligence Group were both replaced respectively by the National Security Council and the Central Intelligence Agency under the National Security Act of 1947 implemented on the 18 September 1947.

History of the Central Intelligence Agency: The United States Central Intelligence Agency (CIA) was created on July 26, when Harry S. Truman signed the National Security Act of 1947 into law.  A major impetus that has been cited over the years for the creation of the CIA was the unforeseen attack on Pearl Harbor, but whatever Pearl Harbor's role, in the twilight of World War II it was considered clear in government circles that there was a need for a group to coordinate government intelligence efforts, and the Federal Bureau of Investigation (FBI), the State Department, and the War Department, and even the Post Office were all jockeying for that new power.

Operation PBHISTORY: Operation PBHistory was a covert operation in Guatemala by the United States Central Intelligence Agency (CIA).  It followed Operation PBSuccess, which led to the overthrow of Guatemalan President Jacobo Árbenz in June 1954 and ended the Guatemalan Revolution.  PBHISTORY attempted to use documents left behind by Árbenz's government and by organizations related to the Guatemalan Party of Labour to demonstrate that the Guatemalan government had been under the influence of the Soviet Union, and to use those documents to obtain further intelligence that would be useful to US intelligence agencies.  It was an effort to justify the overthrow of the elected Guatemalan government in response to the negative international reactions to PBSUCCESS.  The CIA also hoped to improve its intelligence resources about communist parties in Latin America, a subject on which it had little information.

National Intelligence Service (Greece): The National Intelligence Service (NIS) (Greek: Εθνική Υπηρεσία Πληροφοριών, ΕΥΠ, "Ethniki Ypiresia Pliroforion", "EYP") is the national intelligence agency of Greece.  Originally modeled after the United States Central Intelligence Agency, it was established in 1953 as the Central Intelligence Service (CIS), specializing in intelligence gathering, counterintelligence activities and securing sensitive state communications.

Operation Washtub (Nicaragua): Operation WASHTUB was a covert operation organized by the United States Central Intelligence Agency to plant a phony Soviet arms cache in Nicaragua.  It was a part of the CIA's effort to portray the administration of Guatemalan President Jacobo Árbenz as having ties to the Soviet Union, prior to the CIA sponsored 1954 Guatemalan coup d'état which overthrew Árbenz later the same year.  On 19 February 19, 1954, the CIA, working through the Guardia Nacional de Nicaragua, planted a cache of Soviet-made arms on the Nicaraguan coast near the fishing village of Masachapa to be "discovered" weeks later by Rafael Lola, a lieutenant in the Nicaraguan army, and fishermen in the pay of Nicaraguan president Anastasio Somoza García.  The CIA also wished to dispose of the weapons, which were to have been used by Carlos Castillo Armas, and were therefore incriminating to the CIA.  On May 7, 1954, President Somoza told reporters at a press conference that a Soviet submarine had been photographed, but that no prints or negatives were available.  The story presented to the press was embroidered with the involvement of Guatemalan assassination squads.  Somoza was supposed to convince the public that the arms had been intended for Guatemala.  The press and the public were skeptical and the story did not get much press.  However, the story became part of the Nicaragua local legends until the 1979 revolution.

Intelligence Authorization Act: The Intelligence Authorization Act was implemented in order to codify covert, clandestine operations and defines requirements for reporting such operations to the Congress.  The American Constitution states, in Article 1, Section 9, that “a regular Statement and Account of the Receipts and Expenditures of all public Money shall be published from time to time.”  The act was passed along with the Intelligence Oversight Act of 1980, which allowed Congress and members of the agency to be included in important decisions and operations carried out by the Central Intelligence Agency.  The Intelligence Authorization Act was also an attempt to limit the authority and secrecy within the Central Intelligence Agency (CIA) regarding foreign and domestic affairs, though its applications extends to each of the intelligence agencies, not just to the CIA.

Harry S. Truman: Harry S. Truman (May 8, 1884December 26, 1972) was the 33rd President of the United States (1945–53), assuming that office upon the death of Franklin D. Roosevelt during the waning months of World War II.  He is known for launching the Marshall Plan to rebuild the economy of Western Europe, for leading the Cold War against Soviet and Chinese communism by establishing the Truman Doctrine and NATO, and for intervening in the Korean War.  In domestic affairs, he was a moderate Democrat whose liberal proposals were a continuation of Franklin Roosevelt's New Deal, but the conservative-dominated Congress blocked most of them.  He used the veto power 180 times, more than any president since then, and saw 12 overridden by Congress; only Grover Cleveland and Franklin D. Roosevelt used the veto so often, and only Gerald Ford and Andrew Johnson saw so many veto overrides.  He is also the only world leader to have ever used nuclear weapons in war, desegregated the U.S. Armed Forces, supported a newly independent Israel, and was a founder of the United Nations.

Encyclopedia of the Central Intelligence Agency: Encyclopedia of the Central Intelligence Agency is a 2003 book by W. Thomas Smith, Jr. It is an encyclopedic work on the Central Intelligence Agency (CIA), the only independent agency of the United States federal government that is tasked with intelligence-gathering.  The work chronicles the history of the agency from its founding in 1947 through the War on Terror, which began after September 11, 2001.  The encyclopedia's chronology ends in 2003.  It provides approximately 550 entries across 282 pages on topics including notable contributors, intelligence operations, historical events, and depictions of the CIA in fictional media.

Supporting paragraphs: History of the Central Intelligence Agency Harry S. Truman
Answer: He is known for launching the Marshall Plan to rebuild the economy of Western Europe