Mitch Kapor, co-founder of Lotus Development corporation and the man who brought us Lotus 1-2-3, who more recently also pioneered Second Life, is 60 today.

Mitchell Kapor is a pioneer of the personal computing revolution who has been at the forefront of information technology throughout his career as an entrepreneur, software designer, angel investor, and activist. He celebrates his 60th birthday on 1 November 2010.

Founder of Lotus Development Corporation he was the designer of Lotus 1-2-3, the "killer app" that helped make the personal computer ubiquitous in the business world in the 1980s.

After leaving Lotus in 1986,Kapor co-founded the Electronic Frontier Foundation, which protects freedom and privacy on the Internet. In 2003 he was the Founding Chair of the Mozilla Foundation, maker of the open source web browser Firefox, an organisation of which he is still a board member. He is also creator of the open virtual world, Second Life.

To find out more about his early career read:

Mitch Kapor and Lotus 1-2-3