Robonaut 2, the first humanoid robot in space, currently is working with astronauts aboard the International Space Station.

ENGADGET: NASA and IHMC building X1 exoskeleton to give us a lift, keep us fit in space and on Earth

Mr Shoemaker continued working with space probes, exploring through robot eyes the remotest bodies in the solar system and, naturally, their craters.

ECONOMIST: Gene Shoemaker