The greatest discovery of the nineteenth century is found by accident.

The greatest discovery of all time and you would let someone else take the credit for it!

In 1879 he made the greatest discovery of his career by accident.

Some would call it the greatest scientific discovery of all time.

It will then be arguably the greatest scientific discovery of all time.

You planned to make the greatest scientific discovery ever made.

I wanted to find water; the greatest discovery a man can make on the moon.

We have probably made the greatest scientific discovery of all time.

They may be the single greatest medical discovery in history.

"I should have called it the greatest discovery of all time."