Toshiko Sato's grandfather
From Tardis Wiki, the free Doctor Who reference
Toshiko Sato's grandfather was born in Japan, and worked for Bletchley Park. (TV: Greeks Bearing Gifts) In the late 2000s, he celebrated his 88th birthday, a joyous year for the Japanese which Toshiko Sato by going from Cardiff "to London to watch grown men throw rice". (TV: Captain Jack Harkness)