Celebrating Our Retiring Faculty
Columbia Engineering honors longtime faculty, Professors Peter K. Allen, Emanuel Derman, Irving P. Herman, Richard W. Longman, Ponisseril Somasundaran, and Y. Lawrence Yao
![Y. Lawrence Yao (left), professor of mechanical engineering, presented with a gift by department chair, Jim Hone](https://eee-seas.ias-drupal7-content.cc.columbia.edu/files/seas/styles/816x460/public/content/cs_image/2024/26/240502alper-1-1.jpg?itok=GbCy76QH)
Highlights from an event honoring our retiring faculty members. Pictured: Y. Lawrence Yao (left), professor of mechanical engineering, presented with a gift by department chair, Jim Hone.
![15 people posing for a photo](https://eee-seas.ias-drupal7-content.cc.columbia.edu/files/seas/styles/816x460/public/content/cs_image/2024/26/240502alper-2_0.jpg?itok=bMaBhpj7)
The celebrants with Columbia Engineering leadership and department chairs. Left to right: Irving Herman, Marc Spiegelman, Shree Nayar, Cliff Stein, Ponisseril Somasundaran, Emanuel Derman, Dean Shih-Fu Chang, Peter Allen, Luca Carloni, Helen Lu, Dan Steingart, Mary Boyce, Y. Lawrence Yao, Jim Hone, and Richard W. Longman (front, center).
![Cliff Stein (left), chair of the Department of Industrial Engineering and Operations Research (IEOR) with Emanuel Derman, professor emeritus of professional practice in the IEOR department](https://eee-seas.ias-drupal7-content.cc.columbia.edu/files/seas/styles/816x460/public/content/cs_image/2024/26/240502alper-3_0.jpg?itok=n00wVLDb)
Cliff Stein (left), chair of the Department of Industrial Engineering and Operations Research (IEOR) with Emanuel Derman, professor emeritus of professional practice in the IEOR department.
![Ponisseril Somasundaran](https://eee-seas.ias-drupal7-content.cc.columbia.edu/files/seas/styles/816x460/public/content/cs_image/2024/26/240502alper-4_0.jpg?itok=sbiAsQ2p)
Ponisseril Somasundaran, Lavon Duddleson Krumb Professor of Mineral Engineering in the Department of Earth and Environmental Engineering
![Irving Herman (left), Edwin Howard Armstrong Professor Emeritus of Applied Physics, with Marc Spiegelman, chair of the Department of Applied Physics and Applied Mathematics](https://eee-seas.ias-drupal7-content.cc.columbia.edu/files/seas/styles/816x460/public/content/cs_image/2024/26/240502alper-5.jpg?itok=IKRvCWpX)
Irving Herman (left), Edwin Howard Armstrong Professor Emeritus of Applied Physics, with Marc Spiegelman, chair of the Department of Applied Physics and Applied Mathematics
![Man holding a microphone](https://eee-seas.ias-drupal7-content.cc.columbia.edu/files/seas/styles/816x460/public/content/cs_image/2024/26/240502alper-6_1.jpg?itok=RglcX6Yr)
Richard W. Longman, professor emeritus of mechanical engineering and of civil engineering and engineering mechanics
![Peter K. Allen (right), professor emeritus of computer science](https://eee-seas.ias-drupal7-content.cc.columbia.edu/files/seas/styles/816x460/public/content/cs_image/2024/26/240502alper-7.jpg?itok=tLxR8ePe)
Peter K. Allen (right), professor emeritus of computer science
Columbia Engineering hosted a celebratory dinner on May 2 at Riverside Church to honor six esteemed professors who have recently retired. The event, led by Dean Shih-Fu Chang, was a tribute to the outstanding contributions and lasting impact these faculty members have made in academia, research, and student mentorship.
In opening remarks, Dean Chang said, "The faculty we are honoring here tonight represent a real ‘Who’s Who’ of academia and research….They’ve also gone above and beyond for their students–mentoring, advising, and guiding students on their path as engineers and applied scientists, industry leaders, and innovators."
The evening proceeded with a formal dinner and individual tributes to each retiring professor, highlighting their remarkable careers and achievements:
Peter K. Allen
Professor Emeritus of Computer Science
Peter K. Allen is renowned for his pioneering work in robotics and computer vision. His innovative research has advanced the field significantly, contributing to the development of autonomous systems and enhancing our understanding of machine perception--how robots can see and understand their surroundings.
Emanuel Derman ’73GSAS
Professor Emeritus of Professional Practice in the Department of Industrial Engineering and Operations Research
Emanuel Derman's work in financial engineering and quantitative finance has been groundbreaking. Known for his development of the Black-Derman-Toy model, Derman has significantly influenced the way financial derivatives are understood and applied. His dedication to teaching and mentoring has inspired a generation of engineers and financial analysts.
Irving P. Herman
Edwin Howard Armstrong Professor Emeritus of Applied Physics
Irving P. Herman's contributions to applied physics, particularly in the field of laser physics and nanotechnology, have been substantial. His research has led to numerous advancements in materials science and engineering.
Richard W. Longman
Professor Emeritus of Mechanical Engineering and of Civil Engineering and Engineering Mechanics
Richard W. Longman is celebrated for his extensive research in control theory and space robotics. His work has provided critical insights into the dynamics and control of mechanical systems, influencing both academic research and practical applications. Longman has been a dedicated educator, guiding many students through complex engineering challenges.
Ponisseril Somasundaran
Lavon Duddleson Krumb Professor of Mineral Engineering in the Department of Earth and Environmental Engineering
Ponisseril Somasundaran's expertise in mineral engineering and surface chemistry has led to significant advancements in environmental engineering and sustainable practices. His research has addressed critical issues in resource management and environmental preservation. Somasundaran's mentorship has nurtured many young engineers, fostering a commitment to sustainability.
Y. Lawrence Yao
Professor of Mechanical Engineering
Y. Lawrence Yao is known for his contributions to manufacturing and laser-material interactions. His research has led to the development of new manufacturing techniques and improved industrial processes. Yao's dedication to teaching and his ability to inspire innovation have profoundly impacted his students and colleagues.