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 Seven', designed by Allan Robb Fleming and based on a painting, "Isles of Spruce" (1922), by Arthur Lismer and held in the Hart House Permanent Collection, University of Toronto. The 6¢ stamps are perforated 11, and were printed by Ashton-Potter Limited. On 29 June 1995, Canada Post issued 10 stamps, each based on a painting of a member of the group (7 original members and 3 additional members): On year 2012–2013, Royal Canadian Mint issued 7 pure silver 1-oz coins, collectively reproducing one painting by each member: Group of Seven (artists) The Group of Seven, also sometimes known as