James W. Swan, a recently tenured associate professor of chemical engineering at the Massachusetts Institute of Technology, died Nov. 5 after what the school describes as “a medical event.”

Former mayor Francis H. Duehay died Friday of complications from leukemia. He was elected to 14 terms on the City Council, starting in 1971, and served as mayor three times in a career in city politics that spanned 36 years before a 2000 retirement from public service.

A Somerville doctor with ties to Harvard and the Cambridge Health Alliance, and on the brink of announcing a local Center for Immigrant Health Research, died Nov. 3 after being hit by a car.

Cambridge Rindge and Latin School alum Na-Jae Josephs, 20, was killed Saturday in a hit-and-run accident in Wood-Ridge, New Jersey.

The death of developer Rich McKinnon was announced late Wednesday on a neighborhood email list. He was 73, and felled by a heart attack, according to the email.