Question: David Luchins served as an aide to a Vice President who was passed away in which year ?

full_context: Document 1: List of Georgetown University faculty: This is a list of notable Georgetown University faculty, including both current and past faculty at the Washington, D.C. school. As of 2007, Georgetown University employs approximately 1,202 full-time and 451 part-time faculty members across its three campuses. Many former politicians choose to teach at Georgetown, including U.S. Agency for International Development administrator Andrew Natsios, National Security Advisor Anthony Lake, U.S. Senator and Senate Democratic Leader Tom Daschle, Under Secretary of Defense for Policy Douglas Feith, and CIA director George Tenet. Politically, Georgetown's faculty members give more support to liberal candidates, and their donation patterns are consistent with those of other American university faculties. All of Georgetown University's presidents have been faculty as well.
Document 2: Jules Davids: Jules Davids (December 10, 1920–December 6, 1996) was a professor of diplomatic history at the Edmund A. Walsh School of Foreign Service at Georgetown University until his retirement in 1986. A prolific author, his most famous work was undoubtedly his editorial assistance on "Profiles in Courage," a surprise bestseller that won the 1957 Pulitzer Prize for biography for its author, Senator John F Kennedy. Davids received $700 for his labors and acknowledgement in the foreword that he "materially assisted in the preparation of several chapters," but extensive revelations from many sources, including a detailed account by Jules Davids himself, establish that Davids prepared initial drafts of five of the chapters on the book.
Document 3: David Lau: David Baruch Lau (Hebrew: דוד לאו‎ ‎ ; born 13 January 1966) is the Ashkenazi Chief Rabbi of Israel achieving a majority of the vote on July 24, 2013. He previously served as the Chief Rabbi of Modi'in-Maccabim-Re'ut, Israel and as the Chief Rabbi of Shoham. Lau is the son of former Ashkenazi Chief Rabbi of Israel Rabbi Yisrael Meir Lau.
Document 4: Pedro Rubens David: Pedro R. David was born in Villa Clodomiro Hileret, Tucumán, Argentina on 21 July 1929. He is currently first deputy-president of Courtroom II of the Federal Court of Criminal Appeals (Cámara de Casación). He is a lawyer (UNT – University of Tucumán), doctor in sociology (Indiana University Bloomington, USA), doctor in law and social sciences (UNT) and doctor in political sciences (UK –University John F. Kennedy). He is a former judge Ad-Litem at the United Nations International Criminal Tribunal for the former Yugoslavia, The Hague, The Netherlands, and he has specialized in research areas, such as crime prevention, victimology and corruption. He founded the University John F. Kennedy and has held positions in various universities here: Buenos Aires University, University John F. Kennedy, University of Morón, National University of Salta and National University of Tucumán, and abroad: The University of Hull (England), State University of New Mexico and the University of Zulia (Venezuela). He has written 18 books and published almost 100 articles.
Document 5: Lawrence Schiffman: Lawrence H. Schiffman (born 1948) is a professor at New York University (as of 2014); he was formerly Vice-Provost of Undergraduate Education at Yeshiva University and Professor of Jewish Studies (from early 2011 to 2014). He had previously been Chair of New York University’s Skirball Department of Hebrew and Judaic Studies and served as the Ethel and Irvin A. Edelman Professor in Hebrew and Judaic Studies at New York University (NYU). He is a specialist in the Dead Sea Scrolls, Judaism in Late Antiquity, the history of Jewish law, and Talmudic literature.
Document 6: Daniel Patrick Moynihan: Daniel Patrick "Pat" Moynihan (March 16, 1927 – March 26, 2003) was an American politician, sociologist, and diplomat. A member of the Democratic Party, he represented New York in the United States Senate and served as an adviser to Republican President Richard Nixon.
Document 7: Robert Hutchings: Robert Hutchings is the Walt and Elspeth Rostow Chair in National Security at the LBJ School of Public Affairs at the University of Texas, Austin and served as dean of the school from 2010 to 2015. Previously he was Diplomat-in-Residence at the Woodrow Wilson School of Public and International Affairs at Princeton University. Hutchings joined the Princeton faculty in 1997, and his research interests include international relations, diplomacy, and European affairs. Hutchings is best known as the former chair of the National Intelligence Council, a position he held from 2003 to 2005, during a leave of absence from Princeton. On December 15, 2009, Hutchings was appointed Dean of the LBJ School of Public Affairs at the University of Texas, Austin, a position he assumed effective March 22, 2010.
Document 8: 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.
Document 9: Electoral history of George McGovern: George McGovern, a Democratic Party politician from South Dakota, was first elected to the United States House of Representatives to represent South Dakota's 1st congressional district in 1956. He was re-elected in 1958, before making an unsuccessful run for the United States Senate in 1960 against Republican incumbent Karl Earl Mundt. After serving in the John F. Kennedy administration as director of the Food for Peace program, McGovern ran again for the Senate and narrowly prevailed over appointed Senator Joseph H. Bottum. In 1968, McGovern unsuccessfully sought the Democratic Party's presidential nomination at the Democratic National Convention and was re-elected to the Senate over former Governor of South Dakota Archie M. Gubbrud. In 1972, McGovern was successful in his campaign for the Democratic presidential nomination, but lost the election in a landslide to incumbent President Richard Nixon. McGovern was re-elected to the Senate in 1974 over Vietnam War veteran Leo K. Thorsness, but lost re-election in 1980 to then-U.S. Representative James Abdnor. McGovern made a final unsuccessful run for president in United States presidential election, 1984.
Document 10: Electoral history of Lyndon B. Johnson: Electoral history of Lyndon B. Johnson, the 36th President of the United States (1963–1969), 37th Vice President of the United States (1961–1963); United States Senator (1949–1961) and United States Representative (1937–1949) from Texas.
Document 11: Eugene McCarthy: Eugene Joseph McCarthy (March 29, 1916December 10, 2005) was an American politician, poet, and a long-time Congressman from Minnesota. He served in the United States House of Representatives from 1949 to 1959 and the United States Senate from 1959 to 1971. McCarthy sought the Democratic nomination in the 1968 presidential election, challenging incumbent Lyndon B. Johnson on an anti-Vietnam War platform. McCarthy would unsuccessfully seek the presidency five times altogether.
Document 12: Walter Mondale: Walter Frederick "Fritz" Mondale (born January 5, 1928) is an American politician, diplomat and lawyer who served as the 42nd Vice President of the United States from 1977 to 1981, and as a United States Senator from Minnesota (1964–76). He was the Democratic Party's presidential nominee in the United States presidential election of 1984, but lost to Ronald Reagan in a landslide. Reagan won 49 states while Mondale carried his home state of Minnesota and Washington, D.C.
Document 13: Lyndon B. Johnson: Lyndon Baines Johnson ( ; August 27, 1908January 22, 1973), often referred to as LBJ, was an American politician who served as the 36th President of the United States from 1963 to 1969, assuming the office after serving as the 37th Vice President of the United States from 1961 to 1963. A Democrat from Texas, he also served as a United States Representative and as the Majority Leader in the United States Senate. Johnson is one of only four people who have served in all four federal elected positions.
Document 14: George McGovern: George Stanley McGovern (July 19, 1922 – October 21, 2012) was an American historian, author, U.S. Representative, U.S. Senator, and the Democratic Party presidential nominee in the 1972 presidential election.
Document 15: David Luchins: David Luchins (born 1946) is a professor at Touro College and chair of its political science department. He is a national vice-president of the Orthodox Union and a national officer of the Jewish Council for Public Affairs (JCPA). Luchins is a "much-lauded longtime Orthodox Jewish activist" who is active in Jewish communal life and is a frequent speaker on educational, political and Jewish topics. Luchins served as an aide to then-Vice President Hubert Humphrey and for 20 years on the Senate staff of New York Senator Daniel Patrick Moynihan.
ground_truth: 1978