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- Miguel de Icaza - GNOME project leader, initiator of Mono project
- Roberto Ierusalimschy - Lua leading architect
- Dan Ingalls - co-creator of Smalltalk and Bitblt
- Geir Ivarsøy - co-creator of Opera web browser
- Ken Iverson - APL, J
- Toru Iwatani - creator of Pac-Man
Read more about this topic: List Of Programmers