Question: What nationality was the inventor of the first vacuum pump?
Sentence (from "Otto von Guericke"): Otto von Guericke (originally spelled "Gericke", ] ; November 20, 1602 – May 11, 1686 (Julian calendar); November 30, 1602 – May 21, 1686 (Gregorian calendar)) was a German scientist, inventor, and politician.
Relevant evidence: Yes