As the government set about creating a brave new world of motorways, Kinneir and Calvert were given the job of making signs that could be clearly read in a split second.

BBC: The road sign as design classic

Your job as President is to think about how do we set up a equitable tax system so that everybody is paying their fair share that allows us then to invest in science and technology and infrastructure, all of which are going to help us grow.

WHITEHOUSE: President Obama Holds a Press Conference