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Willem Einthoven (21 May 1860 – 29 September 1927) was a Dutch medical doctor and physiologist. He invented the first practical electrocardiograph (ECG or EKG) in 1895 and received the Nobel Prize in Physiology or Medicine in 1924 for it ("for the discovery of the mechanism of the electrocardiogram").
The Common Core State Standards Initiative, also known as simply Common Core, was an American, multi-state educational initiative begun in 2010 with the goal of increasing consistency across state standards, or what K–12 students throughout the United States should know in English language arts and mathematics at the conclusion of each school grade.
Willem Einthoven: 1860 Electrocardiograph [389] 2008 William P. Murphy Jr. 1923 Blood bag and disposable medical trays [390] 2008 Amos E. Joel Jr. * 1918 Mobile communication system [391] 2008 Nick Holonyak * 1928 visible light emitting diode [392] 2009 Bob Widlar: 1937 Linear integrated circuit [393] 2009 Carver Mead: 1934 Very large scale ...
Willem Einthoven, Dutch doctor, physiologist and received the Nobel Prize in Physiology or Medicine; Lodovico Ferrari, Italian mathematician; Alexander Fleming, Scottish biologist, pharmacologist and botanist; Joseph von Fraunhofer, German optician; Hans-Georg Gadamer, German philosopher of the continental tradition
Miksa Déri (1854–1938), Hungary – co-inventor of an improved closed-core transformer; Robert DeStefano (born 1962), U.S. – exercise equipment; James Dewar (1842–1923), UK – Thermos flask; Aleksandr Dianin (1851–1918), Russia – Bisphenol A, Dianin's compound; William Kennedy Laurie Dickson (1860–1935), UK – motion picture camera
Graphical representation of Einthoven's triangle. Einthoven's triangle is an imaginary formation of three limb leads in a triangle used in the electrocardiography, formed by the two shoulders and the pubis. [1] The shape forms an inverted equilateral triangle with the heart at the center. It is named after Willem Einthoven, who theorized its ...
Einthoven is a German surname. Notable people with the surname include: Louis Einthoven (1896–1979), Dutch lawyer; Willem Einthoven (1860–1927), German physiologist
However, with the adoption of the Common Core Standards in most states and the District of Columbia beginning in 2010, mathematics content across the country has moved into closer agreement for each grade level. The SAT, a standardized university entrance exam, has been reformed to better reflect the contents of the Common Core. [1]