Blood Oath is a novel published in 2010 by Christopher Farnsworth.
 It centers on three main characters: Nathaniel Cade, a vampire more than 160 years old, currently bound by a blood oath to serve and protect the President of the United States; former Federal Bureau of Investigation agent Agent William Griffin, or "Griff," Cade's handler for more than 30 years, and Zach Barrows, a former White House staffer that is Griff's replacement.
 The novel focuses on a deadly new threat to the United States from a horrible biological attack.
W.A "Walt" Barrows is the current Labor Member of the United States Railroad Retirement Board.
 He was nominated by President Barack Obama on February 28, 2011 and was confirmed by the U.S. Senate on September 26, 2011.
 He replaced outgoing board member V.M. "Butch" Speakman, who announced his retirement in 2010.
 The appointment of Barrows to the Board was supported by a number of labor organizations, including the Brotherhood of Locomotive Engineers and Trainmen, as well as the Transportation Trades Department.
 Barrows has had a long career in the railroad industry, beginning with Norfolk and Southern Railroad in 1974.
 He has held numerous positions with Locals 199 and 228, including Local Chairman, Local President, and Recording-Financial Secretary.
 Most recently, Barrows served as the International Secretary-Treasurer for the Brotherhood of Railroad Signalmen.
 In addition, he has served as a labor member on the joint healthcare subcommittee, which oversees the Railroad Employee's National Health and Welfare Plan.
 In 2004, 2007, and 2010, Barrows served as labor trustee, responsible for oversight of the National Railroad Retirement Trust Fund.
Alice Prentice Barrows (November 15, 1878 – October 2, 1954) was a secretary of Dr. William A. Wirt, who headed the U.S. Office of Education in the early days of the New Deal of President Franklin Roosevelt.
 Barrows had been a member of the Communist party since 1919, the same year she began working for the Office of Education.
 During World War II Barrows was the Executive Secretary of the National Council of American-Soviet Friendship.
"Semper Fidelis", written in 1888 by John Philip Sousa (The March King), is regarded as the official march of the United States Marine Corps.
 This piece was one of two composed in response to a request from United States President Chester Arthur for a new piece to be associated with the United States President.
 The words Semper Fidelis are Latin for "Always Faithful."
The presidency of Gerald Ford began on August 9, 1974, when Gerald Ford became President of the United States upon the resignation of Richard Nixon from office, and ended on January 20, 1977, a period of days.
 Ford had served as Vice President of the United States since December 6, 1973, following Spiro Agnew's resignation from that office.
 The 38th United States president, Ford has the distinction of being the first, and to date the only person to serve as president without being elected to either the presidency or the vice presidency.
 His presidency ended following his defeat in the 1976 presidential election by Democrat Jimmy Carter.
The presidency of Bill Clinton began on January 20, 1993 at noon Eastern Standard Time, when Bill Clinton was inaugurated as President of the United States, and ended on January 20, 2001.
 Clinton, a Democrat, took office after defeating Republican incumbent President George H. W. Bush and Independent businessman Ross Perot in the 1992 presidential election.
 Four years later, he defeated Republican Bob Dole and Ross Perot (this time running on the Reform Party ticket) to win a second term of office.
 During both elections, Clinton ran as a New Democrat, and many of many of his administration's policy proposals reflected his centrist, Third Way thinking.
 The 42nd United States president, he was the first president elected after the end of the Cold War, the first Baby Boomer to become president, and also the first Democrat since Franklin D. Roosevelt to serve two full terms.
Franklin Delano Roosevelt ( , his own pronunciation, or ; January 30, 1882 – April 12, 1945), commonly known as FDR, was an American statesman and political leader who served as the 32nd President of the United States from 1933 until his death in 1945.
 A Democrat, he won a record four presidential elections and emerged as a central figure in world events during the mid-20th century.
 He directed the United States government during most of the Great Depression and World War II.
 As a dominant leader of his party, he built the New Deal Coalition, realigning American politics into the Fifth Party System and defining American liberalism throughout the middle third of the 20th century.
 He is often rated by scholars as one of the three greatest U.S. Presidents, along with George Washington and Abraham Lincoln.
The presidency of Bill Clinton began at noon EST on January 20, 1993, when Bill Clinton was inaugurated as President of the United States, and ended on January 20, 2001.
 Clinton, a Democrat, took office as the 42nd United States president following a decisive victory over Republican incumbent president George H. W. Bush and Independent businessman Ross Perot in the 1992 presidential election.
 Four years later, in the 1996 election, he defeated Perot and Republican Bob Dole to win re-election.
 During both elections, Clinton ran as a New Democrat, and many of his administration's policy proposals reflected his centrist, Third Way thinking.
 He was the first president elected after the end of the Cold War, the first Baby Boomer to become president, and also the first Democrat since Franklin D. Roosevelt to serve two full terms.
 He was succeeded by Republican George W. Bush, who won the 2000 presidential election.
Josephus Daniels (May 18, 1862 – January 15, 1948) was a progressive Democrat, and newspaper editor and publisher from North Carolina who became active in politics.
 He was appointed by United States President Woodrow Wilson to serve as Secretary of the Navy during World War I.
 He became a close friend and supporter of Franklin D. Roosevelt, who served as his Assistant Secretary of the Navy and later was elected as United States president.
 Roosevelt appointed Daniels as his Ambassador to Mexico, 1933-41.
Neil Albert Salonen (born 1946) is president of the University of Bridgeport, a private university in Bridgeport, Connecticut.
 He is a member of the Unification Church and became the president of the Unification Church of the United States in 1972.
 In 1974 he led the National Prayer and Fast Committee, a group founded by Unification Church leader Sun Myung Moon to support United States president Richard Nixon during the Watergate scandal.
 In 1976 Salonen met with Senator Bob Dole to defend the Unification Church against charges made by its critics, including parents of some members.
 In that year he was president of the Freedom Leadership Foundation, an anticommunist and pro South Korean propaganda organization, as well as church president.
 In 1980 Salonen was succeeded as the president of the American church by Mose Durst.
 In 1997 he served as master of ceremonies at a blessing ceremony for about 20,000 engaged and married couples presided over by Rev. and Mrs. Moon and held in Robert F. Kennedy Memorial Stadium in Washington D.C..
 In 2002, Salonen was selected to serve on the Presidents Leadership Group, "a body of higher education presidents and chancellors who have declared their commitment to student substance abuse prevention."

Question: Which United States President did Alice Barrows serve?
Answer: Franklin Roosevelt