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 (artists) of Painters. The Canadian Group—which eventually consisted of the majority of Canada's leading artists—held its first exhibition in 1933, and continued to hold exhibitions almost every year as a successful society until 1967. In 1995, the National Gallery of Canada compiled a Group of Seven retrospective show, for which they commissioned the Canadian rock band Rheostatics to write a musical score. That score was released on album as "Music Inspired by the Group of Seven". Six members of the group, A.Y. Jackson, Arthur Lismer, Frederick Varley, Lawren Harris, Frank Johnston, and A.J. Casson along with four of the artists' wives