Note Race and Gender: White Male Willem Einthoven, (born May 21, 1860, Semarang, Java, Dutch East Indies—died Sept. 29, 1927, Leiden, Neth.), Dutch physiologist who was awarded the 1924 Nobel Prize for Physiology or Medicine for his discovery of the electrical properties of the heart through the electrocardiograph, which he developed as a practical clinical instrument and an important tool in the diagnosis of heart disease. https://pubmed.ncbi.nlm.nih.gov/12766530/ https://ethw.org/Willem_Einthoven https://www.britannica.com/biography/Willem-Einthoven Not secure: http://www.einthovenlaboratory.com/willem-einthoven/