My answer: This is a very tough question for all of us – and me especially! I am torn between a number of different people for my answer, but finally, at a push, I have chosen Alexander Fleming. It was he who discovered penicillin, for which he won a shared Nobel Prize in Physiology or Medicine. How many countless millions of people have had their lives saved by his discovery? How many numerous diseases have been wiped out? I was tempted to pick Louis Pasteur for his earlier work in microbiotics, but he lost out because his method of pasteurization prevents me from getting great unpasteurized cheese in New Zealand!

Read More: Twitter Facebook YouTube Instagram

Your View  Who Has Done The Most Good - 88Your View  Who Has Done The Most Good - 76Your View  Who Has Done The Most Good - 71Your View  Who Has Done The Most Good - 75Your View  Who Has Done The Most Good - 31Your View  Who Has Done The Most Good - 32Your View  Who Has Done The Most Good - 48Your View  Who Has Done The Most Good - 67Your View  Who Has Done The Most Good - 6Your View  Who Has Done The Most Good - 66Your View  Who Has Done The Most Good - 93Your View  Who Has Done The Most Good - 30Your View  Who Has Done The Most Good - 31Your View  Who Has Done The Most Good - 32Your View  Who Has Done The Most Good - 32Your View  Who Has Done The Most Good - 11