In the year of the 350th Anniversary of the Royal Observatory Greenwich, Paul told us about the women computers who worked there, whom he described as “the unsung heroes of astronomy”. Initially, boys were recruited to do the labourious calculations needed to compile star charts and catalogues for the Astronomers Royal, such as George Airy and William Christie. They were paid a pittance - between £36 and £94 per annum. Most earned £36 per annum, worked in poor conditions, and