5. British astronomer and astrophysicist Cecilia Payne-Gaposchkin established that the sun and other stars are all composed mostly of hydrogen.

Start just by sitting on a chair, or on your couch. Or on your bed. If you’re comfortable on the ground, sit cross-legged. It’s just for two minutes at first anyway, so just sit. Later you can worry about optimizing it.

John Kemp Starley invented the bicycle as we know it today when he was only 30. His ‘Rover Safety’ bicycle, first displayed in a bicycle show in 1886, was a curiosity, but later when pneumatic tires were added to it to cushion the ride, it became safer, smoother and also 30 per cent faster.

Born in New York in 1858, Theodore Roosevelt lived in an opposite reality to Lincoln. Son of a rich family, descendant of Dutch, Theodore studied at Harvard and had all the support of his family during his trajectory.

As a politician, he participated in the New York Assembly and was Direct...