Tributes flood in for Microsoft co-founder Allen

Gates mourns friend and 'ultimate trailblazer' after death at 65 of cancer

SAN FRANCISCO - Paul Allen, who founded Microsoft with Bill Gates in the 1970s and later went on to become an investor, philanthropist and sports team owner, died on Monday after his latest battle with cancer at age 65.

"My brother was a remarkable individual on every level. While most knew Paul Allen as a technologist and philanthropist, for us he was a much loved brother and uncle, and an exceptional friend," Allen's sister Jody said in a statement announcing his death.