When she was 21 years old, Canadian artist Wanda Koop dreamed of moving to New York from Winnipeg, but a jarring experience scared her off when she went to take a look at a Bowery studio in 1972.

Martha Diamond, the painter best known for her abstract cityscapes, died on December 30, 2023, at age 79. Her passing was announced by David Kordansky Gallery, which represents the artist. “When ...