What nationality was the inventor of the first vacuum pump?
Vacuum pump A vacuum pump is a device that removes gas molecules from a sealed volume in order to leave behind a partial vacuum. The first vacuum pump was invented in 1650 by Otto von Guericke, and was preceded by the suction pump, which dates to antiquity.
Hamilton Walker (inventor) Hamilton Walker (1903—1990) was a Whangarei, New Zealand engineer, inventor, and farmer who developed and patented a variety of rotary engine designs. He was the creator of New Zealand's first rotary engine.