John Napier (1550 - 1617)
John Napier's birthday is not known. However, records at the University of St. Andrews in Scotland affirm he was a student there. We choose to honor him on St. Andrew's Day, November 30.
John Napier's formulation of natural logarithms
forever changed our methods of doing calculations.
Born: 1550 in Merchiston Castle, Edinburgh,
Died: April 4, 1617 In Edinburgh, Scotland