Jorge Reynolds Pombo is an electrical and bio- engineer born in Bogotá, Colombia on June 22, 1936.

In 1957, Earl Bakken of Minneapolis, Minnesota, produced the first wearable external pacemaker for a pediatric patient of C. Walton Lillehei.

[2] Since 1991 there have been six underwater acoustic research cruises to study the heart of whales, using submarines provided by the Navy of Colombia as a platform for acoustic studies of whales, with the support of some Navy ships to facilitate investigative work.

In August 2011, he announced the launch of a pacemaker as small as one-third of a grain of rice, which does not need a battery.

[citation needed] Reynolds has received three honorary doctorates in medicine, for his contributions to research and development of technologies for cardiology.