John Christopher Stevens, 52. American ambassador to Libya was killed Sept. 11 during a terrorist attack on the U.S. consulate in Benghazi.
John Silber, 86. President of Boston University from 1971 to 1996 helped turn the school into a prominent institution. Died Sept. 27 from kidney disease.
Arthur "Punch" Sulzberger, 86. During three decades as publisher of the New York Times, expanded the newspaper with special sections and published the Pentagon Papers. Died Sept. 29 of Parkinson's disease.
Barry Commoner, 95. U.S. biologist conducted pioneering research on the effects of radioactive fallout in the 1950s and later became an ecology activist. Died Sept. 30.
Arlen Specter, 82. U.S. senator from Pennsylvania from 1980 to 2010, whose questioning of those who testified before the chamber's Judiciary Committee earned him the nickname "Snarlin' Arlen." Died Oct. 14 of complications from non-Hodgkins lymphoma.
Norodom Sihanouk, 89. Former king of Cambodia led his country to independence from France, then saw it drawn into the Vietnam War and later reel under murderous Khmer Rouge rulers. Died Oct. 14.
George McGovern, 90. Democrat who represented South Dakota in the House and Senate, opposed the Vietnam War and lost to Richard Nixon in the 1972 presidential election. Died Oct. 21.
Russell Means, 72. Political activist and former leader of the American Indian Movement led 1973 armed occupation of Wounded Knee, S.D.. Died Oct. 22 of throat cancer.
Jacques Barzun, 104. Distinguished scholar spent five decades as professor and administrator at Columbia University, where he helped pioneer the discipline of cultural history. Died Oct. 25.
Bal Thackeray, 86. Former newspaper cartoonist became a Hindu nationalist politician and founder of India's Shiv Sena party, which helped run Mumbai's city government for most of the past two decades. Died Nov. 17.
Warren Rudman, 82. Two-term Republican senator from New Hampshire whose quest to balance the federal budget led to the 1985 Gramm-Rudman-Hollings deficit-reduction law. Died Nov. 20.