Sir John Ros, Scottish naval officer and explorer, c 1820s.

Sir John Ros, Scottish naval officer and explorer, 1854-1866.

Photographic negative taken by John Clarke of construction work at the mouth of a tunnel,A1969.70/Box 5/Neg 1248/6

Arthur C Clarke with Stanley Kubrick.

Arthur C Clarke, late 1970s.

Arthur C Clarke with telescope, Sri Lanka.

Arthur C Clarke using telescope, Sri Lanka.

Arthur C Clarke on a family picnic, c 1928.

Fred Clarke as a switchboard operator.

Arthur C Clarke with satellite dish, Sri Lanka.

A letter approving John Clark's silver microscope, 18th century.

Clark Gable, June 1952.