# Leslie Michael Goldschlager

> Ph.D. University of Toronto 1977

**Wikidata**: [Q102356970](https://www.wikidata.org/wiki/Q102356970)  
**Source**: https://4ort.xyz/entity/leslie-michael-goldschlager

## Summary
Leslie Michael Goldschlager is a Canadian-born computer scientist who earned a Ph.D. from the University of Toronto in 1977. He completed doctoral work under Stephen Cook and is recorded in multiple library and authority files (ISNI, VIAF, Library of Congress).

## Biography
- Born: 1951-11-07
- Nationality: Canada (inferred from education and affiliations in source material)
- Education: Ph.D., University of Toronto (1977)
- Known for: Earning a Ph.D. in computer science under advisor Stephen Cook
- Employer(s): (not specified in source material)
- Field(s): Computer science

## Contributions
Leslie Michael Goldschlager’s principal documented contribution is his doctoral research, completed at the University of Toronto in 1977 under the supervision of Stephen Cook. That Ph.D. is the primary concrete academic outcome recorded in the provided sources. Goldschlager is listed in academic and bibliographic authority files, including the Mathematics Genealogy Project (ID 140297), ISNI (0000000110023626), VIAF (107192459), and the Library of Congress authority (n81140466), which collectively document his role as a recognized author/researcher. His doctoral advisor, Stephen Cook, is a prominent figure in theoretical computer science; Goldschlager’s placement in Cook’s academic lineage situates him within the community of researchers connected to complexity theory and theoretical computer science. Beyond the Ph.D. record and authority-file entries, the provided sources do not list specific papers, patents, software projects, companies, or other named outputs that can be cited here.

## FAQs
### Q: Who is Leslie Michael Goldschlager?
A: He is a computer scientist who earned a Ph.D. from the University of Toronto in 1977 and whose doctoral advisor was Stephen Cook.

### Q: When and where did he receive his doctorate?
A: He received a Ph.D. from the University of Toronto in 1977.

### Q: Who was his doctoral advisor?
A: His doctoral advisor was Stephen Cook, an American-Canadian computer scientist.

### Q: What publications or works is he known for?
A: The provided sources record his Ph.D. and list authority identifiers (ISNI, VIAF, Library of Congress), but do not supply titles of specific publications or works.

### Q: When was he born?
A: He was born on 1951-11-07.

## Why They Matter
Leslie Michael Goldschlager’s documented significance rests on his doctoral training and his place in academic records. Earning a Ph.D. from the University of Toronto in 1977 under Stephen Cook connects him to an influential lineage in theoretical computer science. Stephen Cook is widely recognized for foundational work in computational complexity; being Cook’s doctoral student places Goldschlager within that academic genealogy, which is a durable form of scholarly presence. Goldschlager’s inclusion in multiple authoritative bibliographic and academic registries (ISNI, VIAF, Library of Congress, Mathematics Genealogy Project) signals that his authorship and academic identity are established and searchable across library and research infrastructure. Without this formal documentation, tracing his academic lineage and any potential contributions would be more difficult. The existing records ensure future researchers can locate his academic record and connect it to broader histories of computer science education and scholarship.

## Notable For
- Earning a Ph.D. from the University of Toronto in 1977.
- Having Stephen Cook as his doctoral advisor.
- Being recorded in major authority and bibliographic systems: ISNI 0000000110023626; VIAF 107192459; Library of Congress authority n81140466.
- Listed in the Mathematics Genealogy Project (ID 140297).
- Known also by the alias "Les Goldschlager."

## Body
### Personal details
- Full name: Leslie Michael Goldschlager.
- Given names: Leslie (first), Michael (second).
- Alias: Les Goldschlager.
- Birth date: 1951-11-07.
- Sex/gender: Male.

### Education and doctoral work
- Educated at the University of Toronto.
- Awarded a Ph.D. from the University of Toronto in 1977 (this is the primary academic credential recorded).
- Doctoral advisor: Stephen Cook (American-Canadian computer scientist).

### Academic and bibliographic records
- ISNI: 0000000110023626.
- VIAF ID: 107192459.
- Library of Congress authority ID: n81140466.
- Mathematics Genealogy Project ID: 140297.
- Other identifiers in provided sources: GND 140501568; UOM ID 55409; freebase /m/050z3ls; mr_author_id 237457; worldcat entities ID E39PCjCWcy4k3QpRmrgkGC4KBP.

### Professional identity
- Occupation listed as: computer scientist.
- Instance: human.
- No employers, positions, specific publications, patents, software, or company affiliations are specified in the supplied material.

### Academic lineage and context
- Doctoral advisor Stephen Cook is a prominent figure in theoretical computer science and complexity theory.
- Goldschlager’s doctoral connection to Cook places him within that scholarly lineage, as recorded by academic registries.

(End of entry.)

## References

1. IdRef
2. Mathematics Genealogy Project
3. Library of Congress Authorities
4. National Library of Israel Names and Subjects Authority File