486 • SHERGOLD, HAROLD
a disgruntled formerSecret Intelligence Serviceofficer. Together in
Paris they represented a potent threat to both organizations and the
Direction de la Surveillance du Territoire was persuaded to detain
both. Shayler remained in French custody at La Sante ́prison until
November, when the British extradition application on an arrest war-
rant issued in London in July for two offenses under the 1989Offi-
cial Secrets Actwas rejected. Subsequently Shayler negotiated his
return to Britain, where he was convicted at a trial at the Old Bailey
and sentenced to six months’ imprisonment.SHERGOLD, HAROLD.Born in December 1915 and a graduate of
Corpus Christi College, Cambridge, Harry Shergold was a school-
master at Cheltenham Grammar School before the war, when he
joined the Hampshire regiment and was transferred to theIntelli-
gence Corpsand posted to the Middle East, and laterItaly. In 1945
he joined Security Intelligence Middle East and the following year
was appointed station commander atBad SalzuflenunderBritish
Control Commission for Germanycover. Apart from a year at
Broadwayin 1947, he remained in Germany until 1954. In 1960 he
was appointed theSecret Intelligence Service(SIS) case officer to
runOleg Penkovsky, and in 1961 he supervised the interrogation of
George Blake, which lasted five days at SIS’s office in Carlton Gar-
dens. When Blake finally confessed, he was taken to a cottage owned
by Shergold’s mother for the weekend while a decision was taken
about prosecuting him, and he was arrested the following Monday.
Shergold retired from SIS in 1980 and lives in southwest London.
SHETLAND BUS.Established in Lerwick by CommanderFrank Slo-
cumin 1940, the Shetland Bus provided a means of infiltrating and
exfiltrating agents from Nazi-occupiedNorway. Initially the mis-
sions, in fishing boats, took up to four days, but later in the war fast
gunboats, supervised byLeslie Mitchell, made the 600-mile round
trip in 24 hours.
SIAM. Special Operations Executive(SOE) conducted operations in
Siam during World War II to establish contact with supporters of the
pro-British regent, Luang Pradit. The Japanese occupied the country
in 1941 and the government declared war on Britain in 1942, al-