After joining the French resistance in 1944, Marthe Cohn spent a month in Germany, passing as a German nurse while making small talk with SS officers and Nazi soldiers, gathering information about troop movements. Her spying is credited with saving the lives of Allied troops pressing in on the Reich.

Peter Lax, an innovator in applied mathematics who left Hungary during World War II and worked on U.S. atomic bomb calculations as a college student, died May 16 at his home in Manhattan. He was 99.

Joe Don Baker went into the U.S. Army for two years and then emerged in New York, where he studied at the Actors Studio. His acting career took off in the mid-1960s when he moved to Los Angeles, where he started with TV roles before taking the spotlight as a leading man in movies like “Walking Tall” and some James Bond films.

Henry Langrehr, 100, a member of the 82nd Airborne Division that parachuted into France on D-Day, died on April 23, his daughter Karen Winters said.

Pope Francis, history’s first Latin American pontiff who charmed the world with his humble style and concern for the poor but alienated conservatives with critiques of capitalism and climate change, died. He was 88.

Richard Armitage, who as deputy to Secretary of State Colin Powell helped guide U.S. foreign policy during President George W. Bush’s tumultuous first term and was a central figure in chapters of American national security from the Vietnam War era to the post-Sept. 11, 2001, war on terror, died April 13 at a hospital in Arlington, Virginia. He was 79.

Vaughn P. Drake Jr., who at 106 was believed to be the oldest surviving veteran of the 1941 Japanese surprise attack on Hawaii, died this week in Kentucky. His death leaves just over a dozen veterans who survived the attack known to still be living.

Navy veteran Jay North, who starred as the blond, mischievous troublemaker Dennis Mitchell on the popular CBS comedy “Dennis the Menace,” has died. He was 73.

Bruce Glover, an Korean War veteran and prolific character actor known for playing an assassin in the James Bond movie “Diamonds Are Forever” and a P.I. in the neo-noir classic “Chinatown,” died March 12 at a hospital in Los Angeles. He was 92.

John McClelland Elliott, a historian and Marine aviation veteran who served in World War II, Korea and Vietnam, died on March 22. He was 101.