Nobel Peace Prize laureate Elie Wiesel participates in a forum on guarding against a nuclear Iran, on March 2, 2015, in Washington.
This April 16, 1945, photo provided by the U.S. Army shows inmates in their barracks at Germany's Buchenwald concentration camp a few days after its liberation by U.S. troops. Elie Wiesel, who died July 2, 2016, is in the middle row of bunks, seventh man from the left.
Children and other prisoners liberated by the U.S. Army leave Buchenwald concentration camp near Weimar, Germany, in April 1945. The tall youth in the line at left, fourth from the front, is Elie Wiesel, who died Saturday, July 2, 2016, at age 87.
Elie Wiesel's first book, "Night," published a decade after World War II ended, recounted his Holocaust experiences. Originally published in French as "La Nuit," the book has been translated into 30 languages and has sold millions of copies.
Elie Wiesel is shown after he was awarded top French literary awards in 1968 in Paris.
Then-President Jimmy Carter stands by as Elie Weisel speaks in the White House Rose Garden on September 28, 1979. Wiesel, a Nobel Peace Prize laureate and acclaimed writer, died July 2, 2016, at age 87.
Then-President Ronald Reagan and Elie Wiesel (behind Reagan), chairman of the United States Holocaust Memorial Council, take part in a "day of remembrance" ceremony in the East Room of the White House on April 30, 1981.
Author and Nazi death camp survivor Elie Wiesel kisses his wife, Marion, as they greet the press in their apartment in New York on October 14, 1986, after it was announced that Wiesel was awarded the Nobel Peace Prize. Wiesel, who wrote extensively about his experiences during the Holocaust, died July 2, 2016, at age 87.
Author Elie Wiesel, center, with his son, Elisha, left, and Egil Aarvik, chairman of the Nobel committee, pose with the Nobel Prize in Oslo, Norway, on December 10, 1986.
Elie Wiesel, right, stands beside then-President Bill Clinton, center, and Bud Meyerhoff, left, chairman of the U.S. Holocaust Memorial Council, after lighting the eternal flame during the dedication ceremony for the U.S. Holocaust Memorial Museum in Washington, April 22, 1993.
Elie Wiesel stands with then-first lady Hillary Clinton following her acceptance of the Humanitarian Award from the Elie Wiesel Foundation in New York on April 14, 1994.
Nobel Peace Prize laureate Elie Wiesel, right, appears with the spiritual leader of Tibet, the Dalai Lama, during a ceremony for the 50th birthday of the Universal Declaration of Human Rights in Paris on December 7, 1998.
Then-President George Bush, left; Rabbi Irving Greenberg, center; and Elie Wiesel, right, sing the national anthem during a national commemoration of the Days of Remembrance for victims of the Holocaust, in the Capitol rotunda on April 19, 2001, in Washington.
Nobel Peace Prize laureate Elie Wiesel, right, and actor George Clooney respond to questions after addressing the Security Council at the United Nations in New York on September 14, 2006. Wiesel died July 2, 2016, at age 87.
Nobel laureate Elie Wiesel, right, and actor Jon Voight, left, wait for the beginning of a conference on "Lessons of the Holocaust for Antisemitism and Intolerance in the 21st Century" at the United Nations office in Geneva, Switzerland, in 2009.
Buchenwald survivors Elie Wiesel, right, and Bertrand Hertz, left, walk with German Chancellor Angela Merkel and U.S. President Barack Obama at the Buchenwald camp near Weimar, Germany, on June 5, 2009. Wiesel, 87, died on July 2, 2016.
President Barack Obama presents the 2009 National Humanities Medal to Elie Wiesel on February 25, 2010, in the East Room of the White House. Nobel Peace Prize laureate and Holocaust survivor Wiesel died July 2, 2016, at age 87.
This September 12, 2012, photo shows Holocaust survivor and Nobel Peace Prize laureate Elie Wiesel in his New York office. Wiesel, 87, died Saturday, July 2, 2016.
Elie Wiesel addresses the audience before presenting the Emma Lazarus Statue of Liberty Award to Avital Sharansky, center, at the Center for Jewish History on May 28, 2013, in New York.
German Foreign Minister Frank-Walter Steinmeier, left, presents Elie Wiesel the German Federal Cross of Merit in New York on September 23, 2014.
Holocaust survivor Elie Wiesel, center; his wife, Marion, left; and Sara Netanyahu, wife of Israeli Prime Minister Benjamin Netanyahu, are pictured in the U.S. House of Representatives chamber before Netanyahu's address to a joint meeting of Congress, March 3, 2015. Wiesel died Saturday, July 2, 2016, at age 87.