Latest Headlines in Obituaries

Avital Sagalyn, artist whose first solo show was just months ago, dies at 95

Avital Sagalyn's first solo show as an artist was held last fall at the University Museum of Contemporary Art at the University of Massachusetts Amherst.

Oliver Williamson, Nobel-winning economist who studied organizations, dies at 87

Dr. Williamson’s work often returned to the ‘‘make or buy’’ problem, which he called ‘‘a simple case’’ that could be used to ‘‘understand more complex cases,’’ from the negotiation of labor contracts to the privatization of industries.

Stanley Ho, tycoon who built Macao’s gambling industry, at 98

Mr. Ho, who led the transformation of the tiny territory of Macao, off the coast of China, into the world’s most lucrative gambling destination, died Tuesday in Hong Kong.

Nancy Stark Smith, a founder of contact improvisation

Nancy Stark Smith didn’t care much for dance as a child and teenager. In a talk she gave in 2005 about contact improvisation — the vigorous movement form of which she was a founding member — she said: “I’d see the dancers standing in front of a wall of mirrors looking at themselves and making little movements.

John Randall, ichthyologist extraordinaire, dies at 95

John Randall had wandered off again. He had been diving with family and friends in Malaysia in 1998 when he disappeared.

Barbara Sher, 84, dies; prescribed self-help with a dose of humor

Positive affirmations gave her a headache. She often said she didn’t believe in self-improvement but found she had a knack for helping people make their lives better.

Emma Amos, painter who challenged racism and sexism, dies at 83

Ms. Amos, an acclaimed figurative artist whose high-color paintings of women flying or falling through space were charged with racial and feminist politics, died May 21 at her home in Bedford, N.H.