Stem cells are probably going to be extremely useful. But it isn't a given, and even if it were, I don't think the end justifies the means. I am not against stem cells, I think it's great. Blanket objection is not very reasonable to me-any effort to control scientific advances is doomed to fail. You cannot stop the human mind from working.

I wanted to be a surgeon, possibly influenced by the qualities of our family doctor who cared for our childhood ailments.

To the patient, any operation is momentous.

The slow rejection of the foreign skin grafts fascinated me. How could the host distinguish another person's skin from his own?

You cannot stop the human mind from working.

I was performing skin grafts and became interested in why skin wouldn't graft permanently.

And I start off every morning dedicating it to our Creator.