# Henry O. Pollak

> Austrian-American mathematician

**Wikidata**: [Q11103884](https://www.wikidata.org/wiki/Q11103884)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Henry_O._Pollak)  
**Source**: https://4ort.xyz/entity/henry-o-pollak

## Summary
Henry O. Pollak is an Austrian-American mathematician, computer scientist, and statistician known for his contributions to mathematics and his academic leadership at Columbia University. He is recognized for his work in number theory and his mentorship of numerous doctoral students, including notable mathematicians like Héctor Rosario and Yi Annie Han.

## Biography
- Born: December 13, 1927, in Vienna
- Nationality: United States
- Education: Harvard University, Yale University
- Known for: Advances in number theory and mentorship in mathematics
- Employer(s): Columbia University
- Field(s): Mathematics, computer science, statistics

## Contributions
Henry O. Pollak made significant contributions to number theory and mathematical research. He was a doctoral student of Lars Ahlfors and later became a professor at Columbia University, where he advised several influential mathematicians, including Héctor Rosario, Yi Annie Han, and Kai Chung Tam. His work in mathematics, particularly in number theory, has left a lasting impact on the field. Pollak also held an honorary doctorate from Laval University in 1992, recognizing his contributions to academia.

## FAQs
### Q: What is Henry O. Pollak known for?
A: Henry O. Pollak is known for his work in number theory and his mentorship of mathematicians, including Héctor Rosario and Yi Annie Han.

### Q: Where did Henry O. Pollak study?
A: He studied at Harvard University and Yale University.

### Q: What awards has Henry O. Pollak received?
A: He received an honorary doctorate from Laval University in 1992.

### Q: Who were Henry O. Pollak's doctoral students?
A: His doctoral students include Héctor Rosario, Yi Annie Han, Heather Huntington, Kai Chung Tam, and Heather Gould.

### Q: What is Henry O. Pollak's Erdős number?
A: His Erdős number is 2.

## Why They Matter
Henry O. Pollak's work in mathematics, particularly in number theory, has influenced generations of mathematicians. His mentorship at Columbia University has shaped the careers of many notable researchers. His contributions to the field have helped advance mathematical knowledge and inspired future generations of mathematicians.

## Notable For
- Advised several influential mathematicians, including Héctor Rosario and Yi Annie Han.
- Received an honorary doctorate from Laval University in 1992.
- Held the position of professor at Columbia University.
- Known for his work in number theory.
- Has an Erdős number of 2.

## Body
### Early Life and Education
Henry O. Pollak was born on December 13, 1927, in Vienna. He studied at Harvard University and Yale University, where he developed a strong foundation in mathematics.

### Academic Career
Pollak began his academic career as a doctoral student of Lars Ahlfors. He later became a professor at Columbia University, where he made significant contributions to number theory and mentored numerous students.

### Mentorship and Influence
Pollak advised several notable mathematicians, including Héctor Rosario, Yi Annie Han, and Kai Chung Tam. His mentorship has had a lasting impact on the field of mathematics.

### Awards and Recognition
In 1992, Pollak received an honorary doctorate from Laval University, recognizing his contributions to academia. His work in mathematics has earned him recognition and respect in the academic community.

### Legacy
Henry O. Pollak's work in number theory and his mentorship have left a lasting legacy in the field of mathematics. His contributions continue to influence researchers and students today.

## References

1. [Source](https://www.ulaval.ca/notre-universite/prix-et-distinctions/doctorats-honoris-causa-de-luniversite-laval/liste-complete-des-recipiendaires-de-1864-a-aujourdhui.html#c154960)
2. Mathematics Genealogy Project