1. Steve Wozniak.
Steve Wozniak, along with Steve Jobs pioneered apple and the macintosh computer. Steve Jobs was the main designer and programmer of the original apple computers. He created a huge impact on technology, without him, it is unlikely that the Macintosh computer would be released- the first computer to have graphics and mouse, which all personal computers now use. The personal connection is clear- I use mac computers, and computer that use a mouse and graphic interface everyday.

2. Linus Torvalds
Linus Torvalds is a developer and hacker who created the Linux kernel