(1882) German philosopher and physicist Moritz Schlick is born. His research focused on ethics and studying philosophy through empirical data.
(1927) New Zealand-born American chemist Alan MacDiarmid is born. He shared the 2000 Nobel Prize in Chemistry for discovering and developing plastics that can conduct electricity.
(2003) The Human Genome Project is completed. 99% of the human genome was sequenced to an accuracy of 99.99%.