no
yes, there was and still is a carolyn keene. no, she did not start the idea of writing mysrey stories for girls, but took the place of another girl named Mildred Wirt, who was hired to write mystery stories for girls by Edward Stratemeyer.
"Carolyn Keene" is a pseudonym used by various authors for the Nancy Drew mystery book series. The original authors are no longer alive, but the series continues to be written by new authors under the same pen name.
She's still alive, still writing books....
Jim Benton is still alive and writing new books.
He is still alive because I found a website with people writing to him.
Carolyn S. Shoemaker is still alive and is 86 years old. She was born on June 24, 1929 in Gallup, New Mexico.
1947 to present. He is still alive and still writing.
Terry Deary is still alive as he is still writing books today. Right now he is 66
Yes, Frankie Miller is still alive as of the time of this writing.
Yes, at the time of writing Harry Carey Jr. is still alive. He's 88.
Yes, Eoin Colfer is still alive. He was born on May 14, 1965.
Yes, she is still alive :) However she won't be writing any more, as far as I know, as she is 72 or older.