Penicillin nontoxic in humans by first performing toxicity tests in animals and then on humans. His subsequent experiments on penicillin's response to heat and pH allowed Fleming to increase the stability of the compound. The one test that modern scientists would find missing from his work was the test of penicillin on an infected animal, the results of which would likely have sparked great interest in penicillin and sped its development by almost a decade. The importance of his work has been recognized by the placement of an International Historic Chemical Landmark at the Alexander Fleming Laboratory Museum in London on
Barry Valentine soloist and as accompanist to singers and fellow musicians. He "delighted audiences not only with his playing but also with his lucid and humorous commentaries." Valentine died Friday, October 16, 2009 on Salt Spring Island, BC. A memorial service was held on Sunday, October 25, 2009 at St. John's Anglican Cathedral in Winnipeg. He was survived by his wife Johnian Carolyn Evans A son, John Valentine, played international cricket for the Canadian national side, and took Canada's first wicket in One Day Internationals. Barry Valentine Barry Valentine (26 September 1927 – 16 October 2009) was bishop of the Diocese of