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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 Johan Kolff (1911–2009), Netherlands – artificial kidney hemodialysis machine Rudolf Kompfner (1909–1977), U.S. – Traveling-wave tube Konstantin Konstantinov (1817/1819–1871), Russia – device for measuring flight speed of projectiles , ballistic rocket pendulum , launch pad , rocket-making machine
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
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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
Investigations was developed between 1990 and 1998. It was just one of a number of reform mathematics curricula initially funded by a National Science Foundation grant. The goals of the project raised opposition to the curriculum from critics (both parents and mathematics teachers) who objected to the emphasis on conceptual learning instead of instruction in more recognized specific methods ...