Tag galvanometer
Willem Einthoven (1860 - 1927) 340

Willem Einthoven

Willem Einthoven (1860 – 1927) was a Dutch physician and physiologist. Invented the first practical electrocardiogram (ECG) in 1903
Luigi Galvani (1737-1798) 340

Luigi Galvani

Luigi Galvani (1737 - 1798) Italian obstetrician, surgeon and anatomist. Discovered the physiological action of electricity and demonstrated the existence of natural electric current in animal tissue - "the electrical forces in muscular movements" or the 'animal electricity'