Charles Best (medical scientist) and Noble flipped a coin to see which would assist Banting first. Best won and took the first shift. Loss of the coin toss proved unfortunate for Noble, given that Banting decided to keep Best for the entire summer and eventually shared half of his Nobel Prize money and a part of the credit for the discovery of insulin. Had Noble won the toss, his career might have taken a different path. MacLeod was overseeing the work of Banting, who had no experience of physiology, and his assistant Best. In December, when Banting and Best were having difficulties in refining
Banting (crater) a large patch of lunar mare. Maria like Mare Serenitatis are dark, smooth areas created by lava pooling on the surface and then cooling, covering up any previously existing craters. They were originally called "maria" ("seas") because astronomers believed they were bodies of water. Banting is flanked by two U.S. lunar landing sites – those of Apollo 15 and 17 – which lie several hundred miles on either side of the crater. Mare Serenitatis is frequently perceived to be the eastern eye of the Man in the Moon. The Man in the Moon is on the near side of the