As of today (29/08/2012) - You would be fast approaching your 21st birthday !
Carmen Hayes is 30 years of age (born in Aug. 1980)
Depending on the specific day, 21 or 22 years old.
Any person born on May 30, 1991 would be 20 years, 9 months and 24 days old as of March 24, 2012.
Sandy Beales is 26 years old (born December 30, 1991).
She is not dead. She is about 75 years old, born on Aug 30, 1935
Sydney Rae White is 26 years old. (Born November 30, 1991)
Scout LaRue Williis (daughter of Bruce) is 24 years old (born July 20, 1991).
CL, a former member of the girl group 2NE1, was born on February 26, 1991, which makes her currently 30 years old.
Kaho was born on June 30, 1991.
Kaho is 20 years old (birthdate: June 30, 1991).
Cannot answer this question since I do not know what "now" was when it was posted. Nor do I know what "now" will be when the answer is read.
Ernest Rutherford, a physicist from New Zealand who was born Aug. 30, 1871, discovered the atomic nucleus.