How many letters does the top answer for “author of the time machine” have?

The most common answer is wells (5 letters).

Crossword clue: author of the time machine

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

wells 5 letters wd-fact-v3

prolific English writer best known for his science-fiction novels; he also wrote on contemporary social problems and wro

author of a wrinkle in time 50% similar → lengle

author of amok time 50% similar → sturgeon

author of bean machine 50% similar → galton

author of swing time 50% similar → rogers

author of the time of the hero 50% similar → llosa

author of the time ships 50% similar → baxter

author of the train was on time 50% similar → boll

author of the wheel of time 50% similar → jordan