Mercury Seven summon the last group. The tests included spending hours on treadmills and tilt tables, submerging their feet in ice water, three doses of castor oil, and five enemas. Six candidates were rejected as too tall for the planned spacecraft. Another 33 failed or dropped out during the first phase of exams. Four more refused to take part in the second round of tests, which eliminated eight more candidates, leaving 18. From the 18, the first seven NASA astronauts were chosen, each a "superb physical specimen" with an IQ above 130, and the ability to function well both as part of
Group of Seven the United States to a summit in Château de Rambouillet; the annual meeting of the six leaders was organized under a rotating presidency, forming the Group of Six (G6). In 1976, with Wilson out as prime minister of Britain, Schmidt and Gerald Ford felt an English speaker with more experience was needed, so Pierre Trudeau, the Prime Minister of Canada, the next largest advanced economy after the first six, was invited to join the group and the group became the Group of Seven (G7). Since first invited by the United Kingdom in 1977 the European Union has been represented by