A. Paul Zoll
B. John Hopps
C. Robert Jarvik
D. William Greatbatch
Answer: Paul Zoll
A. Paul Zoll
B. John Hopps
C. Robert Jarvik
D. William Greatbatch
Answer: Paul Zoll
Additional Information: Paul Zoll is credited with inventing the first successful external pacemaker in 1952.
Subjects: Inventions and Discoveries, General Knowledge