# William Ward Hager

> Ph.D. Massachusetts Institute of Technology 1974

**Wikidata**: [Q102132144](https://www.wikidata.org/wiki/Q102132144)  
**Source**: https://4ort.xyz/entity/william-ward-hager

## Summary
William Ward Hager is a computer scientist and mathematician who earned his Ph.D. from the Massachusetts Institute of Technology in 1974. He is known for his contributions to optimal control, optimization theory, and numerical optimization algorithms, and has held academic positions at institutions including the University of Florida, Pennsylvania State University, and Carnegie Mellon University.

## Biography
- Born: April 29, 1948
- Nationality: United States
- Education:
  - Ph.D., Massachusetts Institute of Technology, 1974
  - Bachelor’s degree, Harvey Mudd College
- Known for: Advancing optimal control, optimization theory, and numerical optimization algorithms
- Employer(s):
  - University of Florida (1988–present)
  - Pennsylvania State University (1980–1988)
  - Carnegie Mellon University (1976–1980)
  - University of South Florida (1974–1976)
- Field(s): Computer science, mathematics

## Contributions
William Ward Hager has made significant contributions to optimal control, optimization theory, and numerical optimization algorithms. His work has influenced the development of methods for solving complex optimization problems, particularly in engineering and applied mathematics. He has supervised numerous doctoral students, including Purandar Sarmah, Chun-Liang Shih, and ShuJen Huang, who have continued to advance the field. Hager’s research has been recognized through his election as a Fellow of the Society for Industrial and Applied Mathematics (SIAM) in 2015, for his contributions to optimal control, optimization theory, and numerical optimization algorithms.

## FAQs
### Q: What is William Ward Hager known for?
A: William Ward Hager is known for his work in optimal control, optimization theory, and numerical optimization algorithms, which have advanced the field of applied mathematics and engineering.

### Q: Where did William Ward Hager earn his Ph.D.?
A: William Ward Hager earned his Ph.D. from the Massachusetts Institute of Technology in 1974.

### Q: What academic positions has William Ward Hager held?
A: William Ward Hager has held positions at the University of Florida, Pennsylvania State University, Carnegie Mellon University, and the University of South Florida.

### Q: Has William Ward Hager received any awards or recognition?
A: Yes, William Ward Hager was elected as a Fellow of the Society for Industrial and Applied Mathematics in 2015 for his contributions to optimal control, optimization theory, and numerical optimization algorithms.

### Q: Who are some of William Ward Hager’s doctoral students?
A: Some of William Ward Hager’s doctoral students include Purandar Sarmah, Chun-Liang Shih, ShuJen Huang, and Holly Peters Hirst.

## Why They Matter
William Ward Hager’s work in optimal control, optimization theory, and numerical optimization algorithms has had a lasting impact on the fields of applied mathematics and engineering. His research has influenced the development of methods for solving complex optimization problems, which are essential in various industries. Hager’s contributions have shaped the work of numerous researchers and practitioners, and his election as a Fellow of the Society for Industrial and Applied Mathematics recognizes his significant influence in the field.

## Notable For
- Ph.D. from Massachusetts Institute of Technology in 1974
- Fellow of the Society for Industrial and Applied Mathematics (2015)
- Supervised numerous doctoral students in optimization and control theory
- Held academic positions at prestigious universities including the University of Florida and Carnegie Mellon University

## Body
### Education and Early Career
William Ward Hager earned his Ph.D. from the Massachusetts Institute of Technology in 1974, where he studied under Sanjoy K. Mitter. He also holds a bachelor’s degree from Harvey Mudd College. His early career began at the University of South Florida, where he worked from 1974 to 1976. He then moved to Carnegie Mellon University, where he served from 1976 to 1980. Hager continued his academic journey at Pennsylvania State University from 1980 to 1988 before joining the University of Florida in 1988, where he remains active in research and teaching.

### Research and Contributions
Hager’s research focuses on optimal control, optimization theory, and numerical optimization algorithms. His work has been influential in advancing the methods used to solve complex optimization problems, which are critical in engineering and applied mathematics. He has supervised numerous doctoral students, including Purandar Sarmah, Chun-Liang Shih, and ShuJen Huang, who have continued to build on his research. Hager’s contributions have been recognized through his election as a Fellow of the Society for Industrial and Applied Mathematics in 2015, for his significant impact on the field.

### Academic Leadership and Influence
Throughout his career, William Ward Hager has held leadership positions at several prestigious universities, including the University of Florida, Pennsylvania State University, and Carnegie Mellon University. His work has influenced a wide range of researchers and practitioners, shaping the development of optimization techniques that are widely used in industry and academia. Hager’s dedication to teaching and mentoring has left a lasting impact on the field of computer science and mathematics.

## References

1. Czech National Authority Database
2. Mathematics Genealogy Project
3. [Source](https://people.clas.ufl.edu/hager/files/hagerCV.pdf)
4. [Source](https://www.siam.org/prizes-recognition/fellows-program/all-siam-fellows?page=2)
5. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
6. Library of Congress Name Authority File