Thanks to Adam for posting the following. I heard this mentioned on NPR this morning on my way home and told myself I should find a link about it and post it:

Arthur "Spud" Melin, co-founder of the toy company that introduced the world to the Frisbee, Hula Hoop and other faddish gems of American pop culture, has died. He was 77 and had Alzheimer's disease. [Adam Curry: Adam Curry's Weblog]