(1796) German physician, botanist, and traveler Philipp Franz von Siebold is born. He is known for his study of plants and introducing Western medicine to the Japan.
(1890) English statistician and biologist Ronald Fisher is born. He is known for using mathematics to combine natural selection and Mendelian genetics, which created the modern evolutionary synthesis.
(1952) German medical doctor Karin Büttner-Janz is born. She won a gold medal in the Olympics for gymnastics and she has a patent for the artificial spine disk.