Public Timelines

For companies For educational institutions For teachers For students Dashboard

For educational institutions For teachers For students Dashboard

Create a timeline

Public timelines

About & Feedback Terms Privacy FAQ

Dashboard Get premium

Donate

jan 1, 1949 - John Hopps invented the first cardiac pacemaker In 1952, Paul Zoll develops the first cardiac pacemaker

Added to timeline:

Medicine Timeline

ByTin Wan Jared TUNG

5 Nov 2019

1

0

267

Date:

jan 1, 1949

Now

~ 77 years ago

About & Feedback Terms Privacy FAQ

Dashboard Get premium

Donate

The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.

Secured with SSL