He showed that specialized cells retain the genes to form an organism.

One of his early teachers called his scientific ambitions “ridiculous.” Undeterred, Dr. Gurdon went on to transform the understanding of DNA.

First, he studied on a biology crammer course paid for by his parents. And then he went back to Oxford. His cloning of a frog ...

John Gurdon, considered the godfather of cloning and who shared the Nobel Prize in physiology and medicine in 2012, has died ...