On this day in 1882 - October 5th - Robert Goddard was born.
Goddard was an American engineer, professor, physicist, and inventor who is credited with creating and building the world's first liquid-fuelled rocket. Although he received little public support in his lifetime, he's now considered one of the founding fathers of modern rocketry.
On this day in 1732 - October 6th - English astronomer Nevil Maskelyne was born in London.
He was the fifth Astronomer Royal of England, holding the post for 46 years. Maskelyne founded the Nautical Almanac and Astronomical Ephemeris, the first nautical almanac to contain data dedicated to the convenient determination of longitude at sea.
On this day in 1873 - October 8th - Danish chemist and astronomer Ejnar Hertzsprung was born in Copenhagen.
The Hertzsprung-Russell diagram is a classification system for explaining stellar types and stellar evolution. Hertzsprung and American astronomer Henry Norris Russell independently made the discoveries that created the diagram.
On this day in 1873 - October 9th - German physicist and astronomer Karl Schwarzschild. was born.
Although his best known research relates to general relativity, Schwarzschild worked on a wide range of subjects including celestial mechanics quantum mechanics, spectroscopy and instrumental astronomy.
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