Carl Friedrich Gauss
German mathematician and physicist
Could Carl Friedrich Gauss speak to someone 100 miles away?
Carl Friedrich Gauss was born in 1777. Speaking to someone 100 miles away requires a telephone. The telephone was invented in 1876.
What device allows people to speak to each other even if they are 100 miles apart? When was #1 invented? When did Carl Friedrich Gauss die? Is #2 before #3?