Thomas J. Allen, SM ’63, PhD ’66, a beloved member of the MIT Sloan community for more than half a century, died November 13 after a brief illness. He was 89.

Kamal Quadir, MBA ’05, spoke with students, faculty, and alumni at the Martin Trust Center for MIT Entrepreneurship in March.

Invited guests attended a special event at the new MIT Museum location in Kendall Square in early December.