Question: Who served as Physician to the President for the 41st President of the United States?

Context paragraphs:
Manuel Candamo: Manuel González de Candamo e Iriarte (14 July 1841 – 7 May 1904) served as the 41st President of Peru from 1903 until his death in 1904.  He also served as Interim President of Peru, officially as the President of the Government Junta, from 8 September 1903 until his death the following year.

Union Pacific 4141: Union Pacific 4141 is an EMD SD70ACe locomotive owned by Union Pacific.  Its paint scheme is based on that of Air Force One and "George Bush 41" is painted on the sides in honor of the George Bush Presidential Library based on George H. W. Bush, the 41st President of the United States.

Presidency of George W. Bush: The presidency of George W. Bush began at noon EST on January 20, 2001, when George W. Bush was inaugurated as 43rd President of the United States, and ended on January 20, 2009.  Bush, a Republican, took office following a very close win over Democratic nominee Al Gore in the 2000 presidential election.  Bush, the 43rd president, is the eldest son of the 41st president, George H. W. Bush.  Bush was re-elected in 2004, defeating his Democratic opponent John Kerry.  He was succeeded by Democrat Barack Obama, who won the 2008 presidential election.

Inauguration of George H. W. Bush: The inauguration of George H. W. Bush as the 41st President of the United States was held on Friday, January 20, 1989.  The inauguration marked the commencement of the four-year term of George H. W. Bush as President and Dan Quayle as Vice President.  Chief Justice William Rehnquist administered the presidential oath of office to Bush and Associate Justice Sandra Day O'Connor administered the vice presidential oath of office to Quayle.

Electoral history of George H. W. Bush: George Herbert Walker Bush, 41st President of the United States (1989–1993), 43rd Vice President of the United States (1981–1989); Director of the CIA (1976–1977) and United States Representative from Texas (1967–1971).

Presidency of George H. W. Bush: The presidency of George H. W. Bush began at noon EST on January 20, 1989, when George H. W. Bush was inaugurated as 41st President of the United States, and ended on January 20, 1993.  Bush, a Republican, took office after a landslide victory over Democrat nominee Michael Dukakis in the 1988 presidential election.  He was the first sitting vice president to be elected president since Martin Van Buren in 1836.  Later, Bush, the 41st president, and his oldest son, George W. Bush, the country's 43rd (2001–2009), would become only the second father and son pair to become president.  (John Adams and John Quincy Adams were the first.)  Bush was denied a second term in the 1992 presidential election, which was won by Democrat Bill Clinton.

Barbara Bush: Barbara Bush (née Pierce; born June 8, 1925) is the wife of George H. W. Bush, the 41st President of the United States, and served as First Lady of the United States from 1989 to 1993.  She is the mother of George W. Bush, the 43rd President, and Jeb Bush, the 43rd Governor of Florida.  She served as the Second Lady of the United States from 1981 to 1989.

Burton J. Lee III: Burton James Lee III (March 28, 1930 – November 25, 2016) was a physician and oncologist who is best known for having been Physician to the President under President George H. W. Bush and (briefly) Bill Clinton.  He also served on the President's Commission on the HIV Epidemic.

J. Michael Farren: John Michael Farren (born 1953 in West Hartford, Connecticut) is a former American attorney who served as Deputy White House Counsel in the Office of Counsel to the President under the 43rd President of the United States George W. Bush from 2007 to 2009.  Farren also served as Under Secretary of Commerce for International Trade at the United States Department of Commerce and head of the International Trade Administration under the 41st President of the United States George H. W. Bush from 1989 to 1992.

George H. W. Bush: George Herbert Walker Bush (born June 12, 1924) is an American politician who was the 41st President of the United States from 1989 to 1993 and the 43rd Vice President of the United States from 1981 to 1989.  A member of the Republican Party, he was previously a congressman, ambassador, and Director of Central Intelligence.  He is the oldest living former President and Vice President.  Previously known as simply "George Bush", since 2001, Bush has often been referred to as "George H. W. Bush", "Bush 41", "Bush the Elder", or "George Bush Senior" to distinguish him from his eldest son, George W. Bush, the 43rd President of the United States.

Supporting paragraphs: Burton J. Lee III George H. W. Bush
Answer: Burton James Lee III