Mark Napier was born on January 28, 1957.
napiers bone
John Napier
November 30th 1835
I do not think so.
Napier's Bones. It was a type of abacus.
Mark was born on February 21, 1964.
napiers bone
Mark Sallings birthday is on August the 17th.
Mark Twain was born on November 30, 1835.
Mark Walton was born on October 24, 1968.
Mark Schwarzer was born on October 6, 1972.
Mark Rypien was born on October 2, 1962.