You can help expand this article with text translated from the corresponding article in German. (March 2021) Click [show] for important translation instructions. View a machine-translated version of the German article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing German Wikipedia article at [[:de:Wilhelm His (Mediziner, 1863)]]; see its history for attribution. You may also add the template {{Translated|de|Wilhelm His (Mediziner, 1863)}} to the talk page. For more guidance, see Wikipedia:Translation.

Wilhelm His Jr.
Born	(1863-12-29)29 December 1863 Basel, Switzerland
Died	10 November 1934(1934-11-10) (aged 70) Brombach [de] near Lörrach, Germany
Known for	Bundle of His

Wilhelm His Jr. (29 December 1863 – 10 November 1934) was a Swiss cardiologist and anatomist, son of Wilhelm His Sr.

In 1893, His discovered the bundle of His, the collection of specialized cardiac muscle cells in the heart that transmits electrical impulses and helps synchronize contraction of the cardiac muscles. Later in life, as a professor of medicine at the University of Berlin, he was one of the first to recognize that "the heartbeat has its origin in the individual cells of heart muscle."

Werner–His disease (or trench fever) was also named after him.

Angle of His (or incisura cardiaca) was posthumously named after him by Daniel John Cunningham in 1906.^[1]

• Die Front der Ärzte . Velhagen & Klasing, Bielefeld [u.a.] 1931 Digital edition by the University and State Library Düsseldorf

• doctor/2914 at Who Named It?

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