Denise O’Brian-Lutkins, a gardener and self-taught painter, died of cardiopulmonary arrest at home in Montauk on Aug. 16. She was 60.

John Graham, the executive director of Hampton Racquet in East Hampton until this year, died of esophageal cancer on Aug. 16 at Memorial Sloan Kettering Cancer Center in New York City. He was 63.

Andrew Blauschild, a photographer, surf-business entrepreneur, and Montauk surfer, died on Aug. 19 at the age of 53.

The 78th Shinnecock Indian Nation powwow is planned for this weekend. The annual celebration of Indigenous cultural traditions brings together Native groups from many regions and offers educational opportunities for the community at large.