Paul Giardina of East Hampton, a nuclear engineer who had a long career with the Environmental Protection Agency, died on Dec. 21 at Stony Brook Southampton Hospital. He was 75.

Rosemary Reynolds Nichols, a dean of performing arts at the Ross School in East Hampton in the late 1990s and early 2000s, died on Dec. 21 in Austin, Tex. The cause was ovarian cancer.