9 moments
Birth in Semarang
· Semarang, Java, Dutch East Indies (now Indonesia)
Einthoven was born in Semarang, then in the Dutch East Indies.
Family settlement in Utrecht
· Utrecht, Netherlands
After his father's death, Einthoven moved with his mother and siblings from the Dutch East Indies to Utrecht, beginning his Dutch upbringing and education. The source supports the year but not a more precise arrival date.
Medical student at Utrecht University
· Utrecht University, Utrecht, Netherlands
Einthoven entered the University of Utrecht as a medical student, beginning the education that led to his medical and physiological career. A later review gives 1879 rather than 1878 for his enrollment; the Nobel biographical page is used here.
Physiology professorship in Leiden
· Leiden University, Leiden, Netherlands

Wikimedia Commons · Public domain · file Einthoven became professor in Leiden, the base of his scientific career and electrocardiographic research for the remainder of his life. The source supports the year of appointment, not a more precise date.
First International Congress of Physiology
· Basel, Switzerland
At the Basel congress, Einthoven observed Augustus D. Waller demonstrate a human electrocardiogram using a capillary electrometer, an experience that informed his later work. The source supports the year but not a more precise attendance date.
Royal Society of Medicine clinical meeting
· University College Hospital Medical School, London, England, United Kingdom

Wikimedia Commons · Public domain · file Einthoven participated in a London meeting on clinical electrocardiography with Thomas Lewis, presenting a paper at University College Hospital Medical School. Coordinates represent the University College Hospital Medical School site; the source does not give a street address.
American lecture tour
· United States
While traveling in the United States, Einthoven learned that he had received the 1924 Nobel Prize in Physiology or Medicine for his electrocardiographic work. The source establishes presence in the United States but does not identify a specific city; coordinates are a representative national point.
Nobel Banquet speech
· Stockholm, Sweden

Wikimedia Commons · Creative Commons Attribution 2.0 Generic · file Einthoven delivered a speech at the Nobel Banquet in Stockholm following the delayed presentation of his 1924 Nobel Prize in Physiology or Medicine. The source identifies Stockholm but not the banquet venue; coordinates represent central Stockholm.
Death in Leiden
· Leiden, Netherlands

Wikimedia Commons · Creative Commons Attribution-Share Alike 4.0 International · file Einthoven died in Leiden after a career centered at Leiden University. The cited biography gives the death date in its infobox and identifies Leiden as the place of death; the precise site is not specified.