Arran Hill House, Ethel Stoney, Alan Turing

THIS STONE WAS ORIGINALLY PART OF A
FLIGHT OF STEPS TO THE FRONT DOOR
OF NEARBY ARRAN HILL HOUSE -
THE BIRTHPLACE OF ETHEL STONEY.
ETHEL'S SON ALAN TURING IS REGARDED
AS THE FATHER OF COMPUTER SCIENCE
AND REMEMBERED AS THE BREAKER OF
GERMAN CODES DURING WORLD WAR 2

Submitted by @SheilaPortobelo.