# Mark H. Weaver

> American computer scientist

**Wikidata**: [Q109375808](https://www.wikidata.org/wiki/Q109375808)  
**Source**: https://4ort.xyz/entity/mark-h-weaver

## Summary
Mark H. Weaver is an American computer scientist known for his contributions to free software and networked gaming. He worked as a programmer at Pretty Good Privacy (PGP) Inc. and later became a maintainer of several GNU projects, including IceCat and Guile. His work on Netris, a networked terminal version of Tetris, and his role in sustaining critical open-source tools highlight his impact in software development.

## Biography
- **Born**: [No date/place provided]  
- **Nationality**: American  
- **Education**: Bachelor of Science in Computer Science, Brown University  
- **Known for**: Contributions to GNU projects and development of Netris  
- **Employer(s)**: Pretty Good Privacy Inc. (1996–1997), GNU Project  
- **Field(s)**: Computer science, software development  

## Contributions  
Mark H. Weaver developed **Netris**, a networked terminal version of Tetris, and maintained key GNU software. From 1996 to 1997, he worked as a programmer at PGP Inc., a security software company. Starting in 2019, he co-maintained GNU IceCat (a privacy-focused browser) and GNUzilla, and contributed to Guile, a Scheme programming language implementation. His roles in these projects ensured the continued development of free and open-source tools critical to the software ecosystem.  

## FAQs  
### Q: What is Mark H. Weaver’s most notable software contribution?  
A: He developed **Netris**, a networked version of Tetris, and maintained GNU projects like IceCat and Guile.  

### Q: Where did Mark H. Weaver work before joining the GNU Project?  
A: He was a programmer at **Pretty Good Privacy (PGP) Inc.** from 1996 to 1997.  

### Q: What is Mark H. Weaver’s educational background?  
A: He earned a **Bachelor of Science in Computer Science** from **Brown University**.  

## Why They Matter  
Mark H. Weaver’s work sustains foundational open-source software, particularly through the GNU Project. His maintenance of IceCat and Guile ensures the availability of privacy-respecting and extensible programming tools, directly supporting the free software movement. Without his contributions, critical projects might lack active stewardship, impacting developers and users reliant on these technologies.  

## Notable For  
- Co-maintainer of **GNU IceCat** and **GNUzilla** (2019 onward).  
- Maintainer of **Guile**, a Scheme implementation.  
- Creator of **Netris**, a networked gaming application.  
- Programmer at **PGP Inc.** (1996–1997), a pioneering security software firm.  

## Body  
### Career  
- **Pretty Good Privacy (PGP) Inc.** (1996–1997): Worked as a programmer at the security software company headquartered in Redwood Shores.  
- **GNU Project**: Served as co-maintainer of IceCat (2019 onward), GNUzilla (2019 onward), and Guile.  

### Education  
- **Brown University**: Earned a **Bachelor of Science in Computer Science** (qualifiers: institution, degree focus).  

### Projects  
- **Netris**: Developed a networked terminal-based Tetris variant.  
- **GNU IceCat**: Co-maintained this privacy-focused web browser starting in 2019.  
- **Guile**: Contributed to the Scheme implementation used in GNU systems.  

### Work Locations  
- **Redwood Shores** (1996–1997)  
- **Century City** (1991–1993)  
- **Milpitas** (1989–1990)  
- **Fremont** (1988–1989)  
- **Bethesda** (1987–1989)  
- **Barrington** (1986–1989)  

### Affiliations  
- **GNU Project**: Listed as a contributor on the official GNU people page.  
- **Savannah.gnu.org**: Maintains a developer profile.

## References

1. [GNU Spotlight with Mike Gerwitz: 17 new GNU releases in November!. 2019](https://www.fsf.org/blogs/community/gnu-spotlight-with-mike-gerwitz-17-new-gnu-releases-in-november)
2. [Source](https://www.gnu.org/people/people.html)
3. [Source](https://www.netris.org/~mhw/resume/resume.txt)
4. [People at Savannah: Mark H. Weaver Profile. GNU Savannah](https://savannah.gnu.org/users/mhw)