Multiple choice general knowledge math & puzzles Which insurance salesman invented the fountain pen in 1884? Lewis Edson Waterman Sir William Grove Charles Kettering George Fountain Reveal answer Fill a bubble to check yourself A Correct answer Explanation Lewis Edson Waterman was an insurance broker who supposedly lost a contract because a leaky pen ruined the document. This inspired him to invent a reliable fountain pen using the principle of capillarity in 1884.