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
Seven Group Holdings Seven Group Holdings Seven Group Holdings Limited (SGH, formerly Seven Network Limited) is an Australian diversified operating and investment group in the media, mining and construction industries. Seven Network Limited was formed in 1991 by receivers to bundle together the assets of Christopher Skase's failed Qintex business. In December 2006, Seven Network Limited shareholders voted to spin off the company's 'old media' assets into a 50/50 joint venture with private equity firm Kohlberg Kravis Roberts (KKR), creating the Seven Media Group. In 2002, Seven Media Group acquired Pacific Magazines. In January 2006, Seven Media Group partnered with Yahoo! to launch