Which English born author and inventor was a Radar instructor during world war two, pioneered the science of geostationary satellite orbiting in the late 1940's, discovered underwater ruins while scuba diving off Sri Lanka in 1956 and was knighted by the Queen in 1998, 10 years before his death?
Arthur C. Clarke 1945, he proposed a satellite communication system using geostationary orbits. He was the chairman of the British Interplanetary Society from 1946–47 and again in 1951–53. Clarke emigrated from England to Sri Lanka (formerly Ceylon) in 1956, largely to pursue his interest in scuba diving. That year he discovered the underwater ruins of the ancient Koneswaram temple in Trincomalee. Clarke augmented his fame later on in the 1980s, from being the host of several television shows such as "Arthur C. Clarke's Mysterious World". He lived in Sri Lanka until his death. He was knighted in 1998 and was awarded Sri Lanka's
History of scuba diving before scuba became available. Jacques-Yves Cousteau, co-inventor of the first commercially successful open circuit scuba equipment, is claimed to have been the world's first open circuit scuba cave diver. Two regions have had particular influence on cave diving techniques and equipment due to their very different cave diving environments. These are the United Kingdom, and USA, mainly Florida. The number of sites where standard diving dress could be used is limited and there was little progress before the outbreak of World War II reduced the caving community considerably. The development of underwater warfare made a lot of surplus equipment available