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This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these messages) This biography of a living person needs additional citations for verification. Please help by adding reliable sources. Contentious material about living persons that is unsourced or poorly sourced must be removed immediately from the article and its talk page, especially if potentially libelous. Find sources: "Sam Leffler" – news · newspapers · books · scholar · JSTOR (March 2013) (Learn how and when to remove this message) This biography of a living person relies too much on references to primary sources. Please help by adding secondary or tertiary sources. Contentious material about living persons that is unsourced or poorly sourced must be removed immediately, especially if potentially libelous or harmful. Find sources: "Sam Leffler" – news · newspapers · books · scholar · JSTOR (March 2013) (Learn how and when to remove this message) (Learn how and when to remove this message)

Samuel J Leffler is a computer scientist, known for his work on BSD, from the 1980s to FreeBSD in the present day. He created HylaFAX, LibTIFF, and the FreeBSD Wireless Device Drivers. He co-authored the Design and Implementation series of books.

While working for the Computer Systems Research Group (CSRG, UC Berkeley) at University of California, Berkeley, Leffler helped with 4.1 and 4.2 BSD release.  After leaving Computer Systems Research Group, Leffler also worked at Lucasfilm, Pixar Animation Studios, Silicon Graphics, Alias Research, Softimage 3D, Cinetron Computer Systems and VMware.  It while he was at Silicon Graphics that he developed HylaFAX.  Later, Leffler became an independent system design consultant.

Computer Animation Rendering

• André and Wally B. (1984) texturing/matteing
• Luxo Jr. (1986) rendering
• Tin Toy (1988) renderman team
• Toy Story (1995) modeling & animation system development/Renderman software development

References

1. "A Conversation with Sam Leffler". acm.org. Retrieved 2013-03-12.

Bibliography

• S. Leffler, M. McKusick, M. Karels, J. Quarterman: The Design and Implementation of the 4.3BSD UNIX Operating System, Addison-Wesley, January 1989, ISBN 0-201-06196-1. German translation published June 1990, ISBN 3-89319-239-5. Japanese translation published June 1991, ISBN 4-621-03607-6 (out of print).
• S. Leffler, M. McKusick: The Design and Implementation of the 4.3BSD UNIX Operating System Answer Book, Addison-Wesley, April 1991, ISBN 0-201-54629-9. Japanese translation published January 1992, ISBN 978-4-8101-8039-8

External links

• Interview: Sam Leffler of the FreeBSD Foundation

• BSD people
• American computer scientists
• Free software programmers
• FreeBSD people
• Living people
• Lucasfilm people