Joan Clayton Kaplan, PhD’70, of Asheville, North Carolina, on Oct. 2. As an immunologist at Harvard Medical School, she made significant strides in HIV research at the beginning of the AIDS epidemic before retiring to the mountains in Asheville. Survived by a daughter and two grandchildren.

Dorothy Carla Siegel ’70, of Toledo, Ohio, on Sept. 22. A longtime professor of linguistics at the University of Toledo, credited for groundbreaking work in lexical phonology, she is remembered as a vibrant, challenging teacher who loved stimulating conversation and was unbeatable at Scrabble. Survived by two sisters-in-law, a nephew and two nieces.

Paul H. Goldstein ’71, P’01, P’05, of Norwood, Massachusetts, on Nov. 2. Survived by three children, including Lee ’01 and Adam ’05, and a grandson.

Peter V. Brault ’72, of Glen Rock, New Jersey, on Jan. 3. A pediatrician who served as medical director at the Paterson Community Health Center, he was recognized for his work in community health, sang in his church choir and served as a scout leader. Survived by wife Judith, four children and 11 grandchildren.

Deborah De Witt ’73, of Newton, Massachusetts, on Aug. 5. Her many friends remember her for her kindness, wit, honesty and loyalty, and the genuine interest she took in them. Survived by husband Ronald Joseph and two children.

Patricia Levin Grossman ’73, of Newton, Massachusetts, on Jan. 9. A constant presence, megaphone in hand, on Needham’s youth soccer fields, she was active in Jewish organizations, and loved writing songs and poems for special family events. Survived by husband Louis, four children and nine grandchildren.