Memory Inventors and inventionsVersión en línea Review activity por Gina Galera Mesopotamian people 4200-4000 bc Edward Jenner 1796 Mesopotamia 3 bc Mayans 4 ad Humans Around 100 000 years ago IBM 1992 Alexander Fleming 1928 Nicholas Jacques-Conte 1795 Charles Hull 1983 Humans in the Neolithic era Nikola Tesla, Thomas Alva Edison