Italian Catholic priest, mathematician and astronomer famous for his discovering the first dwarf planet, Ceres, on 1 January 1801. Ceres is the largest object in the asteroid belt and was originally classified as a planet.
Ray Tomlinson, the inventor of the email system, did not invent the @ sign. It had been in existence for hundreds of years. He just used it in an email address and made it popular once again. [more...]