Among many other achievements, He was also a chemist and inventor, experimental photographer who invented the blueprint in 1842, which allowed for the rapid, and accurate, production of an unlimited number of copies of technical drawings.
Herschel originated the use of the Julian day system in astronomy. He named seven moons of Saturn and four moons of Uranus – the seventh planet, discovered by his father Sir William Herschel.Ā
He made many contributions to the science of photography when it first emerged in 1839.
A full appreciation of Sir John Herschel and all of his contributions that continue to positively impact us today, however, can be gained with even a cursory review of his life story.
Early life
Sir John Frederick William Herschel was the only child of Mary Pitt and the respected, British astronomer, William
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