Crossword clues for the word: KELLOGG The word KELLOGG has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for KELLOGG Showing 1 to 9 of 9 results Clue(s) Big name in flakes Breakfast pioneer John Harvey ___ Cereal pioneer Cereal producer's large diary kept in barrel Corn flakes inventor Corn flakes inventor (and anti-masturbation advocate) John Harvey ___ Founder of the Battle Creek Food Company Magnate from Battle Creek W K —, US food manufacturer associated with breakfast cereal cornflakes