Didn all winners of the Nobel Prize in Medicine and Physiology experiment on animals?
Yes, most did, but in no case does that mean the discoveries would not have occurred without animals. It only means that the market for lab animals was thriving and employing them was easy. In addition, from the second half of the nineteenth century forward, experimentation on animals became part of all medical curricula. So researchers were obliged to perform animal experiments to get their degrees. However, it is hardly accurate to deduce that those experiments bore directly on the Nobel-winning results. In the instances wherein animals were used for the Nobel-winning results, they were not necessary. Though animal tissue research was the convention, human tissue was available and more viable, as many Nobel Prize winners have since remarked. See Science page for more details.
Yes, most did, but in no case does that mean the discoveries would not have occurred without animals. It only means that the market for lab animals was thriving and employing them was easy. In addition, from the second half of the nineteenth century forward, experimentation on animals became part of all medical curricula. So researchers were obliged to perform animal experiments to get their degrees. However, it is hardly accurate to deduce that those experiments bore directly on the Nobel-winning results. In the instances wherein animals were used for the Nobel-winning results, they were not necessary. Though animal tissue research was the convention, human tissue was available and more viable, as many Nobel Prize winners have since remarked.