Ken Norton Sr., a one-time heavyweight boxing champion, died today at a hospital in Arizona where he had been rehabilitating from a stroke he suffered in 2012. He was 70 years old.

Friend and manager Patrick Tenore confirmed the news of Norton's passing.

Posted in: Sports

Ray Dolby, a sound engineer who revolutionized noise reduction and whose name became synonymous with "surround" audio, has died at age 80.

The founder of Dolby Laboratories suffered from Alzheimer's disease for several years and was diagnosed with leukaemia this summer.

Posted in: R.I.P.

Cal Worthington, who built a fortune from a series of West Coast auto dealerships and became a TV fixture with his ads, has died at the age of 92.

"Go See Cal" passed away Sunday after watching football with family at his Big W Ranch in Orland, Calif., north of Sacramento, according to reports.

Posted in: Cars

Tommy Morrison, a former heavyweight boxing champion, has died after a long battle with AIDS. He passed away in a Nebraska hospital at the age of 44.

He reportedly died peacefully, with his wife by his side.

Posted in: Sports