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.

David J. McGrath jr (1959) Professor of Management and Innovation, Professor, Work and Organization Studies

Jay W. Forrester Professor of Management, Professor, System Dynamics and Engineering Systems

David Austin Professor of Management, Professor, Information Technology and Marketing

Senior Lecturer, Sustainability

Lecturer

Senior Lecturer, Communication and Ethics

Senior Lecturer, Managerial Communication

Alvin J. Siteman (1948) Professor of Entrepreneurship and Strategy, Professor, Technological Innovation, Entrepreneurship, and Strategic Management and Work and Organization Studies

Senior Lecturer, Managerial Communications