Wilson Greatbatch has died at the age of 92. He was a lifelong inventor. And like many inventors, his most notable creation, the implantable cardiac pacemaker, was discovered accidentally.
"Everything comes to him who hustles while he waits," Thomas Edison once said. But is hustling all it takes? Is progress always deliberate? Sometimes genius arrives not by choice—but by chance. Below are our ten favorite serendipitous innovations.