The square–cube law was first described by an astronomer born in what year?
Square–cube law The square–cube law (or cube–square law) is a mathematical principle, applied in a variety of scientific fields, which describes the relationship between the volume and the area as a shape's size increases or decreases. It was first described in 1638 by Galileo Galilei in his "Two New Sciences" as the "...ratio of two volumes is greater than the ratio of their surfaces".
Karl Schwarzschild Karl Schwarzschild (] ; October 9, 1873 – May 11, 1916) was a German physicist and astronomer. He was also the father of astrophysicist Martin Schwarzschild.