[allmendream]

No he did not.

If Einstein had stood up from his death bed and screamed “It is E= M C CUBED!” would it make any difference to the theory? If Copernicus had renounced on his death bed would it mean that the sun circled the earth?

[processing please hold]

I know Einstein was working on his Theory of Everything when he died.

If Copernicus had renounced on his death bed would it mean that the sun circled the earth?

Now that's just silly, good heavens. That has been proven it cannot be changed.

A mans heart and beliefs are another matter. They can always change.