President Hosni Mubarak, the successor to President Sadat of Egypt. (Photo by Central Press/Getty Images). 1981

From left to right, Israeli Prime Minister Menachem Begin (1913–1992) attends talks in Cairo with Egyptian President Anwar Sadat (1918–1981) and Vice-President Hosni Mubarak, April 1979. (Photo by Keystone/Hulton Archive/Getty Images)

The Egyptian military leader and president of Egypt Hosni Muhammad Mubarak, since the assassination of Muhammad Anwar al Sadat in 1981. (Photo by Keystone/Getty Images). Circa 1975

Photo Of President Bill Clinton (R) With Israeli Prime Minister Yitzhak Rabin (L), Egyptian President Hosni Mubarak And Jordan's King Hussein Adjusting Their Ties As Palestinian Leader Yasser Arafat Looks On Before Signing The Middle East Agreement On Control Of The West Bank September 28, 1995 At The White House. King Hussein Of Jordan Died From Cancer On February 5, 1999 In Amman. (Photo By The White House/Getty Images)

Egyptian President Hosni Mubarak arrives at the Offices of the President November 2, 2004 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

Egyptian President Hosni Mubarak looks on during a press conference at the Chancellery on March 11, 2006 in Berlin, Germany. (Photo by Andreas Rentz/Getty Images)

Egyptian President Hosni Mubarak speaks to the media after talks with German Chancellor Angela Merkel at the Chancellery on April 23, 2008 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

U.S. President Barack Obama (R) meets with Egyptian President Hosni Mubarak in the Oval Office of the White House September 1, 2010 in Washington, D.C. (Photo by Ron Sachs-Pool/Getty Images)

Egyption President Hosni Mubarak speaks to the media following talks with German Chancellor Angela Merkel at the Chancellery (Bundeskanzleramt) on March 4, 2010 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

A woman holds up a picture of Egyptian President Hosni Mubarak during a protest in Times Square on February 04, 2011 in New York City. (Photo by Spencer Platt/Getty Images) > on February 4, 2011 in New York City. (Photo by Spencer Platt/Getty Images)

Thousands of anti-government protesters pack Tahrir Square on February 8, 2011 in Cairo, Egypt. Thousands of demonstrators continue to occupy the square, demanding the resignation of President Hosni Mubarak. (Photo by John Moore/Getty Images)

A man kisses a photograph of President Hosni Mubarak during a pro-government demonstration on February 2, 2011 in Cairo, Egypt. (Photo by Peter Macdiarmid/Getty Images)