33
/de/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
311578
27143
2
Public Timelines
FAQ Das Premium bekommen

1 Jan 1932 Jahr - Dr Albert Hyman, an American cardiologist invents an artificial pacemaker

Beschreibung:

Dr Albert Hyman, an American cardiologist invents an artificial pacemaker with his brother Charles. This was powered by a hand cranked motor, and was tested on laboratory animals. The pacemaker revived 14 out of 43 animals. Hyman did not publish his experiments of artificial pacemakers on humans, and many people thought this device was interfering with nature.

Zugefügt zum Band der Zeit:

Datum:

1 Jan 1932 Jahr
Jetzt
~ 93 years ago