David S. McKay: key obituary facts
Is David S. McKay dead? Yes. David S. McKay died on February 20, 2013, at age 77.
Cause of death: David S. McKay's cause of death has not been publicly confirmed.
What was David S. McKay known for?
He was known as American astrobiologist (NASA).
American astrobiologist (NASA)
Died on Wednesday February 20th 2013