Regnier de Graaf
Dutch physician, physiologist, and anatomist Regnier de Graaf was born today on 30 July 1641.
De Graaf made key discoveries in reproductive biology and was the first to develop a syringe to inject dye into human reproductive organs so he could understand their structure and function.
Henry Ford
Born today in 1863, American inventor and automobile manufacturer Henry Ford. Formerly with the Edison Illuminating Company, Ford revolutionised the automobile industry with standardised and interchangeable parts and the innovation of the assembly line. Ford is best known for the low-cost reliable Model T – available in any colour you wanted, so long as it was black.
Julia Robinson
American mathematician and MacArthur Fellow Julia Hall Bowman Robinson died today in 1985, aged 65. Robinson was noted for her contributions to the fields of computability theory and computational complexity theory—most notably in decision problems. Her work on Hilbert’s tenth problem (now known as Matiyasevich’s theorem or the MRDP theorem) played a crucial role in its ultimate resolution.
Originally published by Cosmos as July 30: Regnier de Graaf and Henry Ford born are born, MacArthur Fellow Julia Hall Bowman Robinson dies
Chuck Smeeton
Chuck Smeeton is Chief Operating Officer of the Royal Institution of Australia.
Read science facts, not fiction...
There’s never been a more important time to explain the facts, cherish evidence-based knowledge and to showcase the latest scientific, technological and engineering breakthroughs. Cosmos is published by The Royal Institution of Australia, a charity dedicated to connecting people with the world of science. Financial contributions, however big or small, help us provide access to trusted science information at a time when the world needs it most. Please support us by making a donation or purchasing a subscription today.
