Mrs.Shriver also opened a summer camp that was free of cost for mentally retarded children.

VOA: special.2009.08.23

But what she will be remembered for most is her activism that grew out of the struggles of her mentally retarded sister,Rosemary, who died four years ago.

VOA: special.2009.08.15

Most people with Down syndrome are mildly to moderately retarded.

VOA: special.2009.09.09

Her older sister, Rosemary Kennedy, was born mentally retarded.

VOA: special.2009.08.23