John Lange is a pseudonym of author Michael Crichton. His pen name was selected as reference to his above-average height of 6' 9"(2.06 meters). Lange means "tall one" in German, Danish and Dutch.
Long before he wrote Jurassic Park, before he scripted blockbuster movies like Twister, before he created the groundbreaking TV series ER, Michael Crichton was an honors student at Harvard Medical School - and writing paperback suspense novels on the side, under the top-secret pen name "John Lange." Lange wrote eight books between 1966 and 1972...and then vanished