The death of Stephen Hawking at the age of 76 demands some commemoration.

Up there with the all-time greats of science in history: to name a random selection:

Archimedes, al-Khwarizmi, Copernicus, Galileo, Kepler, Fermat, Boyle, Newton, Watt, Lavoisier, Davy, Darwin, Planck, Curie, Rutherford, Einstein, Fleming, Schroedinger, Pauli, Dirac, Crick and Watson.

I salute your life, your work and your ability to inspire others. Stephen Hawking, 1942-2018. Mortal, after all…