Willem Einthoven, Physician

The Nobel Prize in Physiology or Medicine 1924

Physician, Physiologist. Discovered electrocardiogram [EKG/ECG] mechanism. It was known that heart generates weak electrical current varying in health, heart disease. Invented galvanometer recording these currents. Named electrical waves P, Q, R, S, T. [P petite; next letters in alphabet]. Interests: Physics, Acoustics, Asthma, Optics, Physical activity. Great concentration. Generous, Kind.

Images

The first Electrocardiogram ever recorded using Willem Einthoven’s string galvanometer,1901.

An early commercial ECG machine, built in 1911 by the Cambridge Scientific Instrument Company. Willem Einthoven’s standards of measurement were used to asses these human electrocardiograms which helped in the development of electrocardiographs in Great Britain, 1950.

Willem Einthoven is seen testing the string galvanometer he developed in the 1900's on a patient with the patient’s one foot and hands are immersed in saline to improve electrical conductivity, picture taken in a hospital in London, 1916.

Sitting, from left: Willem Einthoven aged 64 and his wife & Standing: William Einthoven’s sister-in-law Mrs de Voogd,1924.

Willem Einthoven(left) and Sir Thomas Lewis in Einthoven laboratory (Museum Boerhaave, Leiden), 1921.

Willem Einthoven (seated, center) and his staff in their laboratory at the University of Leiden, 1915.

The Physiology Laboratory in Leiden at which Willem Einthoven worked, 1920s.

Willem Einthoven aged 46 yrs., 1906.

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