[2] In 1947, Kaiser attended University College, Oxford to study nuclear physics, mostly working at the Clarendon Laboratory.
[4] During his time at Oxford, Kaiser helped construct the 16MeV Betatron and conducted experiments using the equipment.
[1] Following the demonstration, on 19 August 1949 Kaiser was ordered to return to Australia by Ian Clunies Ross (head of CSIRO) and was banned from research positions in nuclear or radio physics.
[2] Kaiser returned to the United Kingdom to take up a post at the University of Manchester, working under professor Patrick Blackett[5] at Jodrell Bank.
[1] Whilst present at Jodrell bank, Kaiser became interested in the radio signal produced when interstellar dust interacts with the Earth's atmosphere and leaves ionized residue.
[8][9] In the early 1950s, Kaiser joined the Communist Party of Great Britain and remained politically active.
[6] In 1954, Kaiser was named during the Petrov Affair as a person of interest to Soviet intelligence agencies.
[8] As late as 1972, Kaiser was still refused a visa to enter the United States to see the launch of a satellite he helped design.