AP PhotoAlbert Einstein changed the world forever in November 1915 by publishing his theory of general relativity.
Relativity is now a centerpiece of modern physics, the reason GPS satellites and mobile internet exist, and why Einstein is easily the most famous scientist in history.
But a legendary status doesn't mean you're infallible. Einstein made plenty of errors and oversights, and sometimes, he was flat out wrong.
Here are five of Einstein's biggest mistakes explained.