Question: James H. Rowe, Jr. was an advisor to both Lyndon B. Johnson and a president that once represented what state in the US Senate?

Context paragraphs:
Bobby Baker: Robert Gene "Bobby" Baker (born November 12, 1928) is a former political adviser to Lyndon B. Johnson, and an organizer for the Democratic Party.  He became the Senate's Secretary to the Majority Leader.  In 1962, he and a friend, Fred Black, established the Serv-U Corporation which was designed to provide vending machines for companies working for programs established under federal grants.  During the following year, an investigation was begun by the Democratic-controlled Senate into Baker's business and political activities.  The investigation included allegations of bribery and arranging sexual favors in exchange for Congressional votes and government contracts.  The Senate investigation looked into the financial activities of Baker and Lyndon Johnson during the 1950s.  Baker resigned from his position in October 1963.  The investigation of Lyndon Johnson as part of the Baker investigation was later dropped.

Bibliography of Lyndon B. Johnson: The Lyndon B. Johnson bibliography includes major books and articles about President Lyndon B. Johnson, his life, and presidential administration.  Kent B. Germany in his review of the historiography noted in 2009 that Johnson has been the subject of 250 Ph.D. dissertations, well over one hundred books, and many scholarly articles.  The "New York Times" and the "Washington Post" published 7600 articles on him during his presidency.  Only a select subgroup are listed here, chiefly those reviewed by the major scholarly journals.  Germany emphasizes the decline of Johnson's reputation:

James H. Rowe: James H. Rowe, Jr. (June 1, 1909 – June 17, 1984) was an American lawyer and New Dealer who was selected by President Harry Truman to work on the Commission on Organization of the Executive Branch of the Government, commonly known as the Hoover Commission.  He was a political strategist in the Democratic Party and is best known for his memo to Truman on re-election strategy.  He was an advisor to both Lyndon B. Johnson and Hubert Humphrey.

Lyndon B. Johnson National Historical Park: Lyndon B. Johnson National Historical Park is a United States National Historical Park in central Texas about 50 miles west of Austin in the Texas Hill Country.  The park protects the birthplace, home, ranch, and final resting place of Lyndon B. Johnson, 36th President of the United States.  During Johnson's administration, the LBJ Ranch was known as the "Texas White House" because the President spent approximately 20% of his time in office there.

Science Advisor to the President: The Science Advisor to the President is an individual charged with providing advisory opinions and analysis on science and technology matters to the President of the United States.  The first Science Advisor, Vannevar Bush, chairman of the Office of Scientific Research and Development, served Presidents Franklin Delano Roosevelt and Harry S. Truman from 1941 to 1951.  President Truman created the President's Science Advisory Committee in 1951, establishing the chairman of this committee as the President's Science Advisor.  This committee continued under Presidents Dwight D. Eisenhower, John F. Kennedy, Lyndon B. Johnson, and Richard M. Nixon until 1973.  Nixon terminated the committee rather than appointing a replacement for his advisor who had resigned.  The US Congress established the Office of Science and Technology Policy in 1976, re-establishing Presidential Science Advisors to the present day.

USS Lyndon B. Johnson: USS "Lyndon B. Johnson" (DDG-1002) will be the third and final "Zumwalt"-class destroyer built for the United States Navy.  The contract to build her was awarded to Bath Iron Works located in Bath, Maine, on 15 September 2011.  The award, along with funds for the construction of USS "Michael Monsoor" , was worth US$1.826 billion.  On 16 April 2012, Secretary of the Navy Ray Mabus announced the ship would be named "Lyndon B. Johnson" in honor of Lyndon B. Johnson, who served as the 36th President of the United States from 1963 to 1969.  Johnson served in the Navy during World War II, when he was awarded the Silver Star, and ultimately reached the U.S. Naval Reserve rank of commander.  DDG-1002 is the 34th ship named by the Navy after a U.S. president.

Hubert Humphrey: Hubert Horatio Humphrey Jr. (May 27, 1911January 13, 1978) was an American politician who served as the 38th Vice President of the United States from 1965 to 1969.  Humphrey twice served in the United States Senate, representing Minnesota from 1949 to 1964 and 1971 to 1978.  He was the Democratic Party's nominee in the 1968 presidential election, losing to the Republican nominee Richard Nixon.

Interstate 635 (Texas): Interstate 635 (I-635) is a 37 mi partial loop around Dallas, Texas, in the United States between I-20 in Balch Springs and State Highway 121 (SH 121) at the north entrance of the Dallas-Fort Worth International Airport in Grapevine.  It intersects I-35E at exits 27B–C, but does not connect with I-35W.  It is known locally as the Lyndon B. Johnson Freeway, or LBJ, named after Lyndon B. Johnson, the former U.S. Senator from Texas, 37th Vice President, and the 36th President of the United States.

Ranch Road 1: Ranch Road 1 (RR 1) is a Ranch Road located in Gillespie and Blanco counties, in the central region of the U.S. state of Texas.  The highway is approximately 6.6 mi , and begins at U.S. Route 290 (US 290) in Stonewall, running along the Pedernales River through Lyndon B. Johnson National Historical Park, the late President Lyndon Johnson's former ranch, and through Lyndon B. Johnson State Park and Historic Site, before terminating at US 290 near Hye.  The road, designated in 1963, is the only road in the state that TxDOT has designated as a "Ranch Road".  In the earliest days of the state highway system, the route was a part of State Highway 20, and was later part of US 290 before that highway was relocated to the south.

Johnson Space Center: The Lyndon B. Johnson Space Center (JSC) is the National Aeronautics and Space Administration's Manned Spacecraft Center, where human spaceflight training, research, and flight control are conducted.  It was built and leased to NASA by Joseph L. Smith & Associates, Inc.  It was renamed in honor of the late U.S. president and Texas native, Lyndon B. Johnson, by an act of the United States Senate on February 19, 1973.

Supporting paragraphs: James H. Rowe Hubert Humphrey
Answer: Minnesota