Question: What respective fields did Charley Armey and Dick Armey become renowned in?

Context articles: Texas's 26th congressional district
Contract with America
Dick Armey
Taxpayer Choice Act
Thad Bingel
David W. Tucker
Peter B. Davidson
Charley Armey
Michael C. Burgess
African Academy of Sciences

Texas District 26 of the United States House of Representatives is a Congressional district in the state of Texas that serves an area in the northern portion of the Dallas-Fort Worth Metroplex centering on Denton County.
 The current Representative is Michael C. Burgess.
 The District is best known as the seat of former House Majority Leader Dick Armey.
The Contract with America was a document released by the United States Republican Party during the 1994 Congressional election campaign.
 Written by Newt Gingrich and Dick Armey, and in part using text from former President Ronald Reagan's 1985 State of the Union Address, the Contract detailed the actions the Republicans promised to take if they became the majority party in the United States House of Representatives for the first time in 40 years.
 Many of the Contract's policy ideas originated at The Heritage Foundation, a conservative think tank.
Richard Keith Armey ( ; born July 7, 1940) is an American politician.
 He was a U.S. Representative from Texas'  (1985–2003) and House Majority Leader (1995–2003).
 He was one of the engineers of the "Republican Revolution" of the 1990s, in which Republicans were elected to majorities of both houses of Congress for the first time in four decades.
 Armey was one of the chief authors of the Contract with America.
 Armey is also an author and former economics professor.
 After his retirement from Congress, he has worked as a consultant, advisor, and lobbyist.
The Taxpayer Choice Act ( / ) was a proposed bill in the United States Congress which, if enacted, would have amended the Internal Revenue Code to eliminate the alternative minimum tax on individual taxpayers.
 The bill was reproposed in 2009.
 The bill was not voted upon in either session.
 The legislation would create an alternative, simplified tax that individuals may choose over the current personal income tax.
 The new system would have two tax rates (up to $100K at 10% and 25% for everything above), a large standard deduction with no special deductions, and is argued to greatly reduce the damage and complexity caused by the current income tax.
 The bill would also make permanent the capital gains and dividends rate reductions enacted by the "Jobs and Growth Tax Relief Reconciliation Act".
 In the House, the bill was introduced by Rep. Paul Ryan (R-WI), ranking member on the House Budget Committee, and had 83 cosponsors in 2007 and 22 fellow Republicans in 2009.
 The bill was introduced in the Senate by Jim Demint.
 The plan has been supported by FreedomWorks, former House Majority Leader Dick Armey, and former 2008 presidential candidate Fred Thompson.
Thaddeus M. Bingel is a Principal at Command Consulting Group.
 Under President George W. Bush from 2007-2008 Bingel served as Chief of Staff for U.S. Customs and Border Protection.
 Bingel was also majority counsel to the House Judiciary Committee in the 108th and 109th Congresses.
 Bingel served as a consultant and policy analyst under Dick Armey, Former Majority Leader in the 107th Congress.
David W. Tucker (1929–2003) was a jazz trombonist, music educator, composer of band and orchestral music, record producer, and marching band arranger, most renowned as the director of the University of California Jazz Ensembles from 1969 until 1985.
 Under his direction, the organization expanded to become the largest musical organization on the campus of the University of California, Berkeley, had an international reputation resulting from foreign tours, and sponsored the Pacific Coast Collegiate Jazz Festival.
 Numerous student members of the organization have become renowned jazz musicians, composers, and music educators.
Peter B. Davidson is an American lawyer and government official who currently serves as the General Counsel of the United States Department of Commerce.
 He was previously the senior vice president for congressional relations at Verizon Communications, general counsel to the United States Trade Representative, vice president for congressional relations at US West and Qwest, general counsel and policy director to the Majority Leader of the House of Representatives, attorney-advisor in the Office of Legal Counsel of the United States Department of Justice, director of congressional and media relations at the United States Information Agency, staffer to Representatives Dick Armey and Bill Frenzel, and law clerk on the United States Court of Appeals for the Tenth Circuit.
Charley Armey (born July 16, 1939) is a former American football coach, scout, and executive.
 He was an assistant coach/interim head coach for the Denver Gold in 1983.
 He was a scout for the Green Bay Packers (1985–1987), Atlanta Falcons (1987–1991) New England Patriots (1991–1997) He was the general manager of the St. Louis Rams 2000 to 2005 after being a scout for the Rams.
 His brother is Dick Armey.
Michael Clifton Burgess (born December 23, 1950) is a Republican member of the United States House of Representatives representing  's 26 congressional district .
 In 2002, he defeated Scott Armey, the son of House Majority Leader and then-U.S. Representative Dick Armey, in a primary runoff election.
 Prior to his election, he practiced as a doctor of obstetrics and gynecology.
The African Academy of Sciences (AAS) is an Africa-wide scientists organisation.
 It serves firstly to honour African scientists who have become internationally renowned through their efforts in their respective fields, and secondly to encourage the development of the research and technology base throughout the continent.