Stock Photo - Jun. 06, 1966 - Premier's son passes driving test : A pink slip was handed to the prime minister's 18-year old son, Giles Wilson yesterday. He had just passed his driving test - at the first go. Pink of cost, is the favorite colour of everyone who takes a driving test. But Giles must have been more pleased than most when he passed. For when you happen to be the son of Mr Harold, Wilson a minor event like a driving test becomes an item of national news. Giles said after his test at Vivian avenue, Henson 'I am very happy and now i must try to make my own old car work again. By lunchtime he was back at school studying for his G.C.E. advanced level examination. photo shows Prelude to the test. ears queue up as Giles makes a tricky right turn. (Credit Image: © Keystone Press Agency/Keystone USA via ZUMAPRESS.com)