How many letters does the top answer for “author of i, robot” have?

The most common answer is asimov (6 letters).

Crossword clue: author of i, robot

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

asimov 6 letters wd-fact-v3

United States writer (born in Russia) noted for his science fiction (1920-1992)

author of robot series 67% similar → asimov

author of the wild robot 67% similar → ohara

author of 1q84 50% similar → murakami

author of 2666 50% similar → bolano

author of 4 3 2 1 50% similar → auster

author of q11368 50% similar → kernighan, ritchie

author of q13415681 50% similar → hamill

author of q134773 50% similar → zemeckis