33
/es/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
311578
27143
2
Public Timelines
FAQ Obtener premium

1 ene 1932 año - Dr Albert Hyman, an American cardiologist invents an artificial pacemaker

Descripción:

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.

Añadido al timeline:

fecha:

1 ene 1932 año
Ahora mismo
~ 93 years ago