Question: Evan L. Schwab  served as law clerk to a US Supreme Court Justice that was nominated by which president?
Context: Closed Chambers: The Rise, Fall, and Future of the Modern Supreme Court is a 1998 book by Edward Lazarus, who served as a law clerk for U.S. Supreme Court Justice Harry Blackmun during the October Term 1988.  Lazarus combines his reflections as a clerk with a substantial body of research to describe the collapse in comity between Justices - and particularly clerks - at the Supreme Court.  The book is noted both for its extraordinary inside access to internal Supreme Court deliberation and its arguably balanced account of the controversy surrounding many high-profile Supreme Court decisions on the death penalty, civil rights, and abortion. Rex Edwin Lee (February 27, 1935 – March 11, 1996) was an American lawyer, law clerk for former U.S. Supreme Court Justice Byron White, and the United States Solicitor General during the Reagan administration.  He argued 59 cases before the U.S. Supreme Court.  A member of The Church of Jesus Christ of Latter-day Saints (LDS Church), Lee was an alumnus and the tenth president of Brigham Young University (BYU).  Lee was a first cousin of Mo Udall and Stewart Udall. Natalie L. Wexler is an education journalist, novelist, and historian.  She is a graduate of the Bryn Mawr School, and Radcliffe College (A.B. 1976, "magna cum laude"), where she wrote for the "Harvard Crimson".  She also has degrees from the University of Sussex (M.A. 1977), and the University of Pennsylvania Law School (J.D. 1983), where she served as editor-in-chief of the "University of Pennsylvania Law Review".  After graduating law school, she worked as a law clerk for Judge Alvin Benjamin Rubin of the U.S. Court of Appeals for the Fifth Circuit, and then for Associate Justice Byron R. White of the United States Supreme Court.  Following her clerkships, she practiced law with Bredhoff & Kaiser in Washington, D.C.  She later served as an associate editor of the eight-volume series "The Documentary History of the Supreme Court, 1789-1800", and her articles and essays have appeared in the "Washington Post Magazine", "The American Scholar", and "The Gettysburg Review", among other places. Loftus E. Becker Jr. is a law professor at the University of Connecticut School of Law, where he teaches criminal law, constitutional law, and a seminar on the Supreme Court.  In 1965, he graduated from Harvard College, and in 1969 from the University of Pennsylvania School of Law, where he served as editor-in-chief of the "University of Pennsylvania Law Review".  After graduating from law school, he was a law clerk for Chief Judge David L. Bazelon of the U.S. Court of Appeals for the District of Columbia Circuit, and Justice William J. Brennan, Jr., of the Supreme Court of the United States.  He taught at the University of Minnesota Law School from.  1971 to 1977. The Supreme Court is composed of the Chief Justice, twenty Justices.  The Chief Justice is appointed by the President on the recommendation of the Constitutional Council.  S/he is appointed from among the justices having at least three years as a Supreme Court justice.  Justices of the Supreme Court are appointed by the President of Nepal on the recommendation of the Judicial Council.  The Chief Justice and the justices of the Supreme Court have to be confirmed by the Parliamentary Hearing Committee before they can be appointed by the President.  The administrative head of the Supreme Court is the Chief Registrar.  In addition to the Chief Registrar, one Registrar and four Joint-Registrar are appointed to led different departments of the Supreme Court and offer administrative assistance to the Court.  Officers of the Supreme Court are appointed by Government of Nepal under the recommendation of the Judicial Service Commission. John F. Manning (born 1961) is the Dean of Harvard Law School, a prominent American legal academic and the Morgan and Hellen Chu Professor of Law at Harvard Law School.  He graduated from Harvard College in 1982 and from Harvard Law School in 1985.  Following law school, he served as a law clerk to Judge Robert H. Bork at the United States Court of Appeals for the District of Columbia Circuit.  He then served as law clerk to Justice Antonin Scalia for the Supreme Court's 1988 term. Ronald T. Y. Moon (born September 4, 1940) was the Chief Justice of the Hawaii State Supreme Court in Honolulu, Hawaii.  He served his first term from 1993 to 2003, and his second term from 2003 until retiring in August 2010.  Moon studied at Coe College towards bachelor's degrees in psychology and sociology.  He went on to the University of Iowa College of Law, where he obtained his doctorate of jurisprudence.  He returned to Honolulu in 1965 and became law clerk to United States District Court Judge Martin Pence.  He served under Pence for a year.  In 1966, Moon joined the staff of the Prosecuting Attorney of Honolulu where he was deputy prosecutor until 1968.  He left public service to become a partner in the law firm Libkuman, Ventura, Moon and Ayabe where he stayed until 1982.  It was from the law firm that Governor George Ariyoshi appointed Moon to the Hawaii State Judiciary as a circuit court judge.  Governor John Waihee then elevated Moon to the office of Associate Justice of the Hawaii State Supreme Court in 1990.  In 1993, Moon was once again elevated to become chief justice. William Orville Douglas (October 16, 1898January 19, 1980) was an American jurist and politician who served as an Associate Justice of the Supreme Court of the United States.  Nominated by President Franklin D. Roosevelt, Douglas was confirmed at the age of 40, one of the youngest justices appointed to the court.  His term, lasting 36 years and 211 days (1939–75), is the longest in the history of the Supreme Court.  In 1975 "Time" magazine called Douglas "the most doctrinaire and committed civil libertarian ever to sit on the court". Evan L. Schwab is an American attorney who served as law clerk to Justice William O. Douglas of the Supreme Court of the United States during the 1963 Term. Christine Jolls (born October 1, 1967) is the Gordon Bradford Tweedy Professor of Law and Organization at Yale Law School, where she has been on the faculty since 2006.  She is a leader in the emerging theory of behavioral economics and law.  Her areas of research include also employment law and contracts.  She received her B.A. in economics from Stanford University, a Ph.D. in economics from the Massachusetts Institute of Technology and her J.D. from Harvard Law School.  She served as a law clerk to Supreme Court Justice Antonin Scalia and taught at Harvard Law School before teaching at Yale Law School.  She often collaborates with Professor Cass Sunstein of Harvard Law School.
Answer: Franklin D. Roosevelt