Deaths of note from around the world:
James DePreist, 76: Former music director of the Oregon Symphony who was among the early African-American conductors of a major orchestra and a National Medal of Arts winner. Died Friday in Scottsdale, Ariz.
Peter Hauri, 79: a psychologist who was among the first researchers to study the mysterious mechanics of a good night’s sleep, and who established widely used guidelines for avoiding insomnia without drugs. Died Jan. 31 in Rochester, Minn.
Mark Palmer, 71: Forceful and influential diplomat who served as U.S. ambassador to Hungary during the collapse of communism; he was a chief author of President Ronald Reagan’s 1982 speech declaring that Marxism was headed toward “the ash heap of history." Died Jan. 28 at his home in Washington.
John Karlin, 94: Industrial psychologist at Bell Labs who was responsible for the research that led to the design of the keypad on touch-tone phones in the mid-20th century. Died Jan. 28
Ira Rubin, 82: Mathematician and computer programmer who played bridge at the highest level for four decades and was regarded as one of the great theorists of the game. Died Wednesday.