# James H. Clark

> American entrepreneur and computer scientist

**Wikidata**: [Q1373397](https://www.wikidata.org/wiki/Q1373397)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/James_H._Clark)  
**Source**: https://4ort.xyz/entity/james-h-clark

## Summary

James H. Clark was born on March 23, 1944, in Plainview. He is a citizen of the United States. Professionally, he has pursued work as a computer scientist, engineer, and businessperson.

## Summary
James H. Clark is an American entrepreneur and computer scientist renowned for his pioneering work in computer graphics and founding multiple successful technology companies. He is best known as the founder of Silicon Graphics, Netscape Communications, and Healtheon/WebMD, making significant contributions to both computer science research and the commercial technology sector.

## Biography
- Born: 1944-03-23 in Plainview
- Nationality: United States
- Education: Tulane University, University of Utah, University of New Orleans
- Known for: Computer graphics innovations and founding major technology companies
- Employer(s): Stanford University
- Field(s): Computer science, engineering, business

## Contributions
James H. Clark made fundamental contributions to computer graphics and computational geometry during his academic career before transitioning to entrepreneurship. His doctoral work under Ivan Sutherland at the University of Utah laid groundwork for advanced computer graphics systems. In 1979, he co-founded Silicon Graphics (SGI), which became a leading manufacturer of high-performance computers for visual computing, 3D graphics, and scientific visualization. The company's work was instrumental in advancing computer graphics for entertainment, scientific research, and engineering applications. Clark later co-founded Netscape Communications in 1994, which developed the Netscape Navigator web browser that played a crucial role in popularizing the World Wide Web during the mid-1990s. He also founded Healtheon/WebMD, contributing to the digitization of healthcare information systems. His work has been foundational in bridging academic computer science research with practical commercial applications that transformed multiple industries.

## FAQs
### Q: What companies did James H. Clark found?
A: James H. Clark co-founded Silicon Graphics in 1979, Netscape Communications in 1994, and Healtheon/WebMD. These companies were pivotal in computer graphics, web browsing, and healthcare information technology respectively.

### Q: Where did James H. Clark study?
A: James H. Clark was educated at Tulane University, the University of Utah, and the University of New Orleans. He completed his doctoral studies at the University of Utah under advisor Ivan Sutherland.

### Q: What is James H. Clark's current net worth?
A: As of 2025, James H. Clark's net worth is estimated at $7.2 billion according to Forbes, placing him among the wealthiest individuals in the technology sector.

## Why They Matter
James H. Clark represents a crucial bridge between academic computer science research and commercial innovation that shaped the modern technology landscape. His work at Silicon Graphics advanced computer graphics capabilities that became essential for everything from scientific visualization to movie special effects. Through Netscape, he helped democratize internet access and establish the foundation for modern web commerce and communication. His contributions to computer graphics theory and practice, combined with his entrepreneurial success, demonstrate how fundamental research can translate into transformative commercial technologies. Clark's career exemplifies the path from academic research to industry leadership, influencing generations of computer scientists and entrepreneurs. His companies created platforms and technologies that billions of people use daily, fundamentally changing how we interact with digital information and each other.

## Notable For
• Co-founder of Silicon Graphics, a pioneering company in high-performance visual computing and 3D graphics
• Co-founder of Netscape Communications, creator of the Netscape Navigator web browser that helped popularize the World Wide Web
• Member of the National Academy of Engineering and American Academy of Arts and Sciences
• Estimated net worth of $7.2 billion as of 2025
• Doctoral student of Ivan Sutherland, a pioneer in computer graphics and human-computer interaction

## Body
### Early Life and Education
James Henry Clark was born on March 23, 1944, in Plainview. He pursued higher education at multiple institutions, including Tulane University, the University of New Orleans, and the University of Utah. His doctoral studies at the University of Utah were supervised by Ivan Sutherland, a legendary figure in computer science and computer graphics.

### Academic Career
Clark's academic work focused on computer graphics and computational geometry. His research contributed to fundamental advances in how computers render and manipulate visual information. The University of Utah's computer science program during this period was one of the world's leading centers for computer graphics research.

### Entrepreneurial Success
In 1979, Clark co-founded Silicon Graphics (SGI) with several partners. The company specialized in high-performance computers for visual computing, 3D graphics, and scientific visualization. SGI's systems were used in film production, scientific research, and engineering applications, helping to advance the state of computer graphics technology.

Clark later co-founded Netscape Communications Corporation in 1994. The company developed the Netscape Navigator web browser, which became the dominant web browser during the early years of the World Wide Web. Netscape's IPO in 1995 was a landmark event in the dot-com era and demonstrated the commercial potential of internet technologies.

He also founded Healtheon/WebMD, focusing on healthcare information technology and electronic health records systems.

### Recognition and Influence
Clark is a member of both the National Academy of Engineering and the American Academy of Arts and Sciences, recognizing his contributions to both technical innovation and broader societal impact. His work has influenced the development of computer graphics, internet technology, and healthcare IT sectors.

### Personal Life
Clark married Kristy Hinze in 2009. He holds citizenship in the United States and maintains significant influence in technology and business circles.

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## References

1. International Standard Name Identifier
2. Virtual International Authority File
3. CiNii Research
4. Freebase Data Dumps. 2013
5. [Jim Clark | Open Library](https://openlibrary.org/authors/OL6806787A/Jim_Clark)
6. [The Forbes List 2025. Forbes. 2025](https://www.forbes.com/forbes-400/)
7. Mathematics Genealogy Project
8. National Library of Israel Names and Subjects Authority File