Today’s birthdays include novelists Amy Tan (1989) and Carson McCullers (1917), writer Siri Hustvedt (1955), André Breton (1896) author of “The Surrealist Manifesto”, and the scientist who first proposed the Earth revolved around the Sun, Nicolaus Copernicus (1473).
And Coppy never had the use of any telescope, nor any computers.
Did he know calculus? No, before Newton. Wrote books in Latin.