Search engine Google has given electrocardiography pioneer Willem Einthoven his own Google doodle on its homepage to mark what would have been his 159th birthday. In 1895 the Dutch doctor and physiologist invented the string galvanometer, which was the first practical electrocardiogram (ECG) capable of recording electrical activity of the heart at levels adequate for ...
ECG inventor gets a Google Doodle
By David Rowley
22 May 2019